000			00418nam a2200145Ia 4500
005			20240821160141.0
008			240821s9999||||xx |||||||||||||| ||und||
082			_a537.534 BLE
100			_aBlevins, Lewis G.
245		0	_aSupplementary exercises electronic tubes circuits, and devices
260			_aIndiana _bUniversal Scientific Company _c1956
300			_aVarious pagination
650			_aPhysics
942			_cBK
999			_c150319 _d150319