000 00274nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aJain, R.P
245 0 _aModern digital electronics
260 _aTata mcgraw hill
_bNew Delhi
_c1992p
300 _b0
650 _aMECHANICS
999 _c137341
_d137341