00453nam 2202601 45000010005000000030023000050050009000280080041000370820008000780720045000860200013001311000014001442600018001582450026001766500045002026500038002472601StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aAn Introduction of Thyristor Engineering aبدون aM.S Berde bKHANNA c1978 aThyristor engineering aAn Introduction of Thyristor Engineering aSemiconductors and Silicon Diodes