000			00358nam a2200145Ia 4500
008			200103s9999||||xx |||||||||||||| ||und||
040			_aIMU-MPC
082			_aColumn-49
100			_aWilliams, Emrys
245		0	_aThermionic Valve Circuits
250			_a4th Ed.
260			_bSir ISAAC Pitman & Sons, Ltd., London _c1961
300			_axi, 427
942			_cBK
999			_c9666 _d9666