CIRÁK, Július (ed.) - PERNÝ, Milan (ed.) - SMITKOVÁ, Miroslava (ed.). Renewable Energy Sources 2013 : 4th International Scientific Conference OZE 2013. Tatranské Matliare, Slovakia, May 21-23, 2013. 1.vyd. Bratislava : Slovak University of Technology in Bratislava, 2013. 536 s. ISBN 978-80-89402-64-9. V*