EXPRES EXPRES 2019 : proceedings of the 11th international symposium on Exploitation of Renewable Energy Sources and Efficiency. April 11-13, 2019, Subotica, Serbia [elektronický zdroj]. -- 1. vyd. -- Subotica : Inženjersko-tehničko udruženje vojvodanskih Madara, 2019. -- CD ROM, 115 s. -- ISBN : 978-86-919769-4-1.