00336nam a2200109Ia 4500008004100000082001900041100002000060245009200080250001200172264003200184300001000216200526s9999||||xx |||||||||||||| ||und||  a621.381 5  GRA  aGray, Truman S. 0aApplied Electronics: First Course In Electronics Electron Tubes and Associated Circuits  a2nd ed.  bAsia Publishing Housec1966  a881p.