BREZINA, Ivan. Alternatívne ekologické pohony. In Optimizing of Logistics and Transportation Processes Based on the Use of Battery Operated Vehicles and ICT. scientific workshop. Optimizing of Logistics and Transportation Processes Based on the Use of Battery Operated Vehicles and ICT : Scientific Workshop. - Bratislava : Vydavateľstvo EKONÓM, 2019. ISBN 978-80-225-4681-2, pp. 4-8 CD-ROM. SK-SRB-18-0009.