000 00295nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.381534
100 _aGupta J B
245 0 _aPulse and Digital Switching Circuits
250 _a2
260 _bS K Kataria New Delhi
_c2007
942 _cBK
999 _c36906
_d36906