000 00234nam a2200109Ia 4500
020 _a0074622447
082 _a621.3815
100 _aMILLMAN, JACAB
245 _aPULSE DIGITAL AND SWITCHING W.F
260 _aND
_b TMH
_c1987
942 _cBK
999 _c4943
_d4943