000 00284nam a2200133 4500
020 _a9788120303485
082 _a621.381
100 _aGOTHMANN WILLIAM
245 _aDIGITAL ELECTRONICS
250 _a2 ND
260 _aNEW DELHI
_bPHI
_c1982
300 _aXVI, 383P
942 _cBK
999 _c7670
_d7670