Biosignals in Human Factors Research for Heavy Equipment Operators: A Review of Available Methods and Their Feasibility in Laboratory and Ambulatory Studies. - Amin Hekmatmanesh; Victor Zhidchenko; Kari Kauranen; Kaija Siitonen; Heikki Handroos; Sari Soutukorva; Asko Kilpeläinen (IEEE Access, 2021)