00627cam a2200193 i 4500 58348 58348 18165362 20221111114114.0 140527s2015 enka 000 0 eng 9780415713351x eng 621.31 W-63 White, Sean 12954 Solar photovoltaic basics : a study guide for the NABCEP entry level exam / Sean White. New York : Routledge, 2015. viii, 160 pages : illustrations (some color) ; 19 cm. ელექტროტექნიკა Электротехника udc BK 0 0 udc 0 62131_W63 0 91092 CPL CPL GEN 2021-11-17 66.00 621.31 W-63 55443 2021-11-17 55443 2021-11-17 BK 66.00 GEL.