000 00277nam a22001097a 4500
082 _a621.381542 ROS'H
100 _aROSEBURY, FRED
_956777
245 _aHANDBOOK OF ELECTRON TUBE AND VACUUME TECHNIQUES
260 _aUSA
_bADDISON WESLEY
_c1965
300 _aX,597P
942 _cBK
999 _c583430
_d583430