TY - GEN A1 - Bucher, Elmer Eustice PB - Wireless Press L1 - http://delibra.bg.polsl.pl/Content/26389/BCPS_30058_1918_Practical-wireless-t.pdf L2 - http://delibra.bg.polsl.pl/Content/26389 KW - radiotelegrafia KW - telegrafia KW - anteny (elektronika) T1 - Practical wireless telegraphy : a complete text book for students of radio communication UR - http://delibra.bg.polsl.pl/dlibra/publication/edition/26389 ER -