The Problem of Monitoring the Psycho-Physical Condition of Seniors during Proposed Activities in Urban Space. - Ewa Lach; Anna Szewczenko; Iwona Chuchnowska; Natalia Bursiewicz; Iwona Benek; Sylwia Widzisz-Pronobis; Daria Bal; Klaudia Elsner; Marta Sanigórska; Mateusz Sutor; Jakub Wlodarz (Sensors, 2023)