000			00437pam a2200145a 44500
082			_aBTS _bMONO B-812
100			_aLevine,S A
245	1		_aEXTENSION OF THE THEORY OF THREE-ELECTRODE VACUUM TUBE CIRCUITS
260			_a _b _c1934
300			_a21
500			_aBound With Bts Mono B-802-11,815-47 Lack No.803-05,08,10,13-14,16,19-21,28,31-32,34,36,38-40,42,46
700			_aPeterson,Liss C
964			_gCIRC
997			_aTR16407 C
999			_c403746 _d403746