00757nam0 2200265 450 00000855520180619160403.020071114d1950----km-y0itay50------baengUSy-------001yy<<The >>radio manualby George E Sterling and Robert B. MonroeFourth ed.TorontoD. Van Nostrand company1950V, 890 p.ill.26 cm2001Radio621.38420Sterling,George E.630680Monroe,Robert B.98511ITUNIPARTHENOPE20071114RICAUNIMARC000008555621.384/1539553PIST2007Radio manual1204761UNIPARTHENOPE