Citizen Bio-Optical Observations from Coast- and Ocean and Their Compatibility with Ocean Colour Satellite Measurements. - Julia A. Busch; Raul Bardaji; Luigi Ceccaroni; Anna Friedrichs; Jaume Piera; Carine Simon; Peter Thijsse; Marcel R. Wernand; Hendrik Jan van der Woerd; Oliver Zielinski (Remote. Sens., 2016)

Estimating the Underwater Diffuse Attenuation Coefficient with a Low-Cost Instrument: The KdUINO DIY Buoy. - Raul Bardaji; Albert-Miquel Sánchez; Carine Simon; Marcel R. Wernand; Jaume Piera (Sensors, 2016)

New Radiometric Approaches to Compute Underwater Irradiances: Potential Applications for High-Resolution and Citizen Science-Based Water Quality Monitoring Programs. - Carlos Rodero; Estrella Olmedo; Raul Bardaji; Jaume Piera (Sensors, 2021)

interTwin: An Engine for Scientific Digital Twins. - Andrea Manzi; Raul Bardaji; Ivan Rodero (ERCIM News, 2025)