000 00304nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a621
082 _bGUP/E
100 _am.l
_bgupta
245 0 _aelectronic and radio engeneering
260 _adelhi
260 _bDHANPAT RAI&SONS
260 _c1967
999 _c6983
_d6983