00414nam 2202564 45000010005000000030023000050050009000280080041000370820008000780720011000860200018000971000016001152600015001312450044001466500011001906500018002016500015002192564StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aAlarms a81-7029-012-0 arndolf.graf bBPB c1989 aThe encyclopedia of electronic circuits aAlarms aAmature Radio aAmplifiers