00274nam a2200097Ia 4500008004100000082001900041100003200060245003000092264004400122300001000166200526s9999||||xx |||||||||||||| ||und||  a621.381  GAV H  aGavin, M.R. , Houldin, J.E. 0aPrinciples of Electronics  bThe English Language Book Societyc1959  a348p.