na YOGYA-02090000019238 20090227022946.0 ind 010-020900000019238 621.3841 621.3841 Ray P RAYER, FG Petunjuk radio amatir F.G. Rayer Jakarta Elex Media Komputindo 1987 vi, 170 hlm ilus 20 cm Radio Amatir YOPDYOGB 11-03-06 1 rtrevTM P000030289