The impact of motion in virtual environments on memorization performance. - Polina Häfner; Christina Vinke; Victor Häfner; Jivka Ovtcharova; Wolfgang Schotte (CIVEMSA, 2013)

Semi-automated Ontology Population from Building Construction Drawings. - Polina Häfner; Victor Häfner; Hendro Wicaksono; Jivka Ovtcharova (KEOD, 2013)

Teaching Methodology for Virtual Reality Practical Course in Engineering Education. - Polina Häfner; Victor Häfner; Jivka Ovtcharova (VARE, 2013)

PolyVR - A Virtual Reality Authoring System. - Victor Häfner (EuroVR, 2014)

New Techniques for Hand Pose Estimation Based on Kinect Depth Data. - Simon Hummel; Victor Häfner; Polina Häfner; Jivka Ovtcharova (EuroVR, 2014)

Experiencing Physical and Technical Phenomena in Schools Using Virtual Reality Driving Simulator. - Polina Häfner; Victor Häfner; Jivka Ovtcharova (HCI (15), 2014)

PolyVR - A Virtual Reality Authoring Framework for Engineering Applications. - Victor Häfner (2019)

Serious Game Concept to Promote Citizen Engagement for the Energy Transition Using Virtual Reality and Web Platforms. - Felix Longge Michels; Laura Müller; Victor Häfner; Polina Häfner (IMCL, 2021)

Automating virtualization of machinery for enabling efficient virtual engineering methods. - Felix Longge Michels; Victor Häfner (Frontiers Virtual Real., 2022)

Using Collaborative Immersive Environments and Building Information Modeling Technology for Holistic Planning of Production Lines. - Sebastian Amann; Nicolai Beisheim; Polina Häfner; Victor Häfner; Kevin Kastner; Anjela Mayer; Felix Longge Michels; Tobias Ott (TE, 2023)

An Adaptive Learning Environment for Industry 4.0 Competencies Based on a Learning Factory and Its Immersive Digital Twin. - Polina Häfner; Viktoria Bergmann; Victor Häfner; Felix Longge Michels; Michael Grethler; Abhijit Karande (CSEDU (1), 2024)

A Framework for Intelligent Virtual Reality Tutoring System Using Semantic Web Technology. - Victor Häfner; Tengyu Li; Felix Longge Michels; Polina Häfner; Haoran Yu; Jivka Ovtcharova (CSEDU (2), 2024)

Semantic Web-Enabled Intelligent VR Tutoring System for Engineering Education: A Theoretical Framework. - Victor Häfner; Tengyu Li; Felix Longge Michels; Polina Häfner; Haoran Yu; Jivka Ovtcharova (VR Workshops, 2024)

PolyVRGeo: Immersive Engineering Toolkit for Deep Geothermal Energy. - Victor Häfner; Polina Häfner; Felix Longge Michels; Florian Bauer; Michael Grethler (VR Workshops, 2025)