Hilbert Curves: A Tool for Resolution Independent Haptic Texture. - William Frier; Kyoungwon Seo; Sriram Subramanian (UIST (Adjunct Volume), 2016)

Design and Evaluation of Mid-Air Haptic Interactions in an Augmented Reality Environment. - Brygida Dzidek; William Frier; Adam Harwood; Richard Hayden (EuroHaptics (2), 2018)

Using Spatiotemporal Modulation to Draw Tactile Patterns in Mid-Air. - William Frier; Damien Ablart; Jamie Chilles; Benjamin Long; Marcello Giordano; Marianna Obrist; Sriram Subramanian (EuroHaptics (1), 2018)

Pulsed Schlieren Imaging of Ultrasonic Haptics and Levitation using Phased Arrays. - Michele Iodice; William Frier; James Wilcox 003; Benjamin Long; Orestis Georgiou (CoRR, 2018)

Sampling Strategy for Ultrasonic Mid-Air Haptics. - William Frier; Dario Pittera; Damien Ablart; Marianna Obrist; Sriram Subramanian (CHI, 2019)

Invisible Touch: How Identifiable are Mid-Air Haptic Shapes? - Isa Rutten; William Frier; Lawrence Van den Bogaert; David Geerts (CHI Extended Abstracts, 2019)

Three-in-one: Levitation, Parametric Audio, and Mid-Air Haptic Feedback. - Gözel Shakeri; Euan Freeman; William Frier; Michele Iodice; Benjamin Long; Orestis Georgiou; Carl Andersson (CHI Extended Abstracts, 2019)

Laser Doppler Vibrometry and FEM Simulations of Ultrasonic Mid-Air Haptics. - Jamie Chilles; William Frier; Abdenaceur Abdouni; Marcello Giordano; Orestis Georgiou (WHC, 2019)

Cutaneous Wave Propagation Shapes Tactile Motion: Evidence from Air-Coupled Ultrasound. - Gregory Reardon; Yitian Shao; Bharat Dandu; William Frier; Ben Long; Orestis Georgiou; Yon Visell (WHC, 2019)

Using Ultrasonic Mid-air Haptic Patterns in Multi-Modal User Experiences. - Damien Ablart; William Frier; Hannah Limerick; Orestis Georgiou; Marianna Obrist (HAVE, 2019)

Mid-Air Haptic Bio-Holograms in Mixed Reality. - Sam Frish; Mykola Maksymenko; William Frier; Loïc Corenthy; Orestis Georgiou (ISMAR Adjunct, 2019)

Incorporating the Perception of Visual Roughness into the Design of Mid-Air Haptic Textures. - David Beattie; William Frier; Orestis Georgiou; Benjamin Long; Damien Ablart (SAP, 2020)

Sensing Ultrasonic Mid-Air Haptics with a Biomimetic Tactile Fingertip. - Noor Alakhawand; William Frier; Kipp McAdam Freud; Orestis Georgiou; Nathan F. Lepora (EuroHaptics, 2020)

Discriminating Between Intensities and Velocities of Mid-Air Haptic Patterns. - Isa Rutten; William Frier; David Geerts (EuroHaptics, 2020)

Mid-Air Haptic Bio-Holograms in Mixed Reality. - Ted Romanus; Sam Frish; Mykola Maksymenko; William Frier; Loïc Corenthy; Orestis Georgiou (CoRR, 2020)

Rendering spatiotemporal mid-air tactile patterns. - William Frier (2020)

DOLPHIN: A Framework for the Design and Perceptual Evaluation of Ultrasound Mid-Air Haptic Stimuli. - Lendy Mulot; Guillaume Gicquel; Quentin Zanini; William Frier; Maud Marchal; Claudio Pacchierotti; Thomas Howard (SAP, 2021)

Curvature Discrimination for Dynamic Ultrasound Mid-Air Haptic Stimuli. - Lendy Mulot; Guillaume Gicquel; William Frier; Maud Marchal; Claudio Pacchierotti; Thomas Howard (WHC, 2021)

UltraPower: Powering Tangible & Wearable Devices with Focused Ultrasound. - Rafael Morales González; Asier Marzo; Euan Freeman; William Frier; Orestis Georgiou (TEI, 2021)

Manifesto for Digital Social Touch in Crisis. - Carey Jewitt; Sara Price; Jürgen Steimle; Gijs Huisman; Lili Golmohammadi; Narges Pourjafarian; William Frier; Thomas Howard; Sima Ipakchian Askari; Michela Ornati; Sabrina A. Panëels; Judith Weda (Frontiers Comput. Sci., 2021)

Touchless touch with biosignal transfer for online communication. - Daria Joanna Hemmerling; Maciej Stroinski; Kamil Kwarciak; Krzysztof Trusiak; Maciej Szymkowski; Weronika Celniak; William Frier; Orestis Georgiou; Mykola Maksymenko (ICMI, 2022)

Comparison of Experiment and Simulation of Ultrasonic Mid-air Haptic Forces. - Rafael Morales Gonzalez; Orestis Georgiou; Asier Marzo; William Frier (IMET, 2022)

Multimodal Volume Data Exploration through Mid-Air Haptics. - Jaehyun Jang; William Frier; Jinah Park (ISMAR, 2022)

Simulating Airborne Ultrasound Vibrations in Human Skin for Haptic Applications. - William Frier; Abdenaceur Abdouni; Dario Pittera; Orestis Georgiou; Rob Malkin (IEEE Access, 2022)

Mapping Mid-Air Haptics With a Low-Cost Tactile Robot. - Noor Alakhawand; William Frier; Nathan F. Lepora (IEEE Robotics Autom. Lett., 2022)

UltraButton: A Minimalist Touchless Multimodal Haptic Button. - Rafael Morales Gonzalez; Dario Pittera; Orestis Georgiou; Brian Kappus; William Frier (IEEE Trans. Haptics, 2022)

"I Can Feel It Coming in the Hairs Tonight": Characterising Mid-Air Haptics on the Hairy Parts of the Skin. - Dario Pittera; Orestis Georgiou; Abdenaceur Abdouni; William Frier (IEEE Trans. Haptics, 2022)

TOUCHLESS: Demonstrations of Contactless Haptics for Affective Touch. - Sean Chew; Tor-Salve Dalsgaard; Martin Maunsbach; Hasti Seifi; Joanna Bergström; Kasper Hornbæk; Josu Irisarri; Iñigo Fermín Ezcurdia; Naroa Iriarte; Asier Marzo; William Frier; Orestis Georgiou; et al. (CHI Extended Abstracts, 2023)

Responsible Innovation of Touchless Haptics: A Prospective Design Exploration in Social Interaction. - Patricia Ivette Cornelio Martinez; Stephen Hughes; Orestis Georgiou; William Frier; Martin Maunsbach; Madhan Kumar Vasudevan; Marianna Obrist (CHI, 2023)

Feellustrator: A Design Tool for Ultrasound Mid-Air Haptics. - Hasti Seifi; Sean Chew; Antony James Nascè; William Edward Lowther; William Frier; Kasper Hornbæk (CHI, 2023)

An Exploration of Just Noticeable Differences in Mid-Air Haptics. - Katarzyna Wojna; Orestis Georgiou; David Beattie; William Frier; Michael Wright; Christof Lutteroth (WHC, 2023)

Using Mid-Air Haptics to Guide Mid-Air Interactions. - Timothy Neate; Sergio Alvares Maffra; William Frier; Zihao You; Stephanie M. Wilson (INTERACT (1), 2023)

Gap Detection in Pairs of Ultrasound Mid-air Vibrotactile Stimuli. - Thomas Howard; Karina Kirk Driller; William Frier; Claudio Pacchierotti; Maud Marchal; Jessica Hartcher-O'Brien (ACM Trans. Appl. Percept., 2023)

"I See Where This is Going": A Psychophysical Study of Directional Mid-Air Haptics and Apparent Tactile Motion. - Dario Pittera; Orestis Georgiou; William Frier (IEEE Trans. Haptics, 2023)

MAMMOTH: Mid-Air Mesh-based Modulation Optimization Toolkit for Haptics. - Martin Maunsbach; William Frier; Kasper Hornbæk (CHI Extended Abstracts, 2024)

FabSound: Audio-Tactile and Affective Fabric Experiences Through Mid-air Haptics. - Jing Xue; Roberto A. Montano Murillo; Christopher Dawes; William Frier; Patricia Ivette Cornelio Martinez; Marianna Obrist (CHI, 2024)

Knuckles notifications: mid-air haptic feedback on the dorsal hand for hands-on-the-wheel driving. - Roberto A. Montano Murillo; Rafael Morales Gonzalez; Dario Pittera; William Frier; Orestis Georgiou; Patricia Ivette Cornelio Martinez (Frontiers Comput. Sci., 2024)

It Sounds Cool: Exploring Sonification of Mid-Air Haptic Textures Exploration on Texture Judgments, Body Perception, and Motor Behaviour. - Roberto A. Montano Murillo; Dario Pittera; William Frier; Orestis Georgiou; Marianna Obrist; Patricia Ivette Cornelio Martinez (IEEE Trans. Haptics, 2024)

RecHap: An Interactive Recommender System for Navigating a Large Number of Mid-Air Haptic Designs. - Karthikan Theivendran; Andy Wu; William Frier; Oliver Schneider 006 (IEEE Trans. Haptics, 2024)

Text-to-Haptics: Enhancing Multisensory Storytelling through Emotionally Congruent Midair Haptics. - Maciej Stroinski; Kamil Kwarciak; Mateusz Kowalewski; Daria Hemmerling; William Frier; Orestis Georgiou (Adv. Intell. Syst., 2025)