000 00457nam a2200181Ia 4500
008 151211s9999||||xx |||||||||||||| ||und||
020 _c100
041 _aEnglish
082 _a537.50202
_b /GUP
100 _aGupta, S.L.
245 _aHand Book of Electronics
_c S.L. Gupta
260 _bPragti Prakasani
_aMeerut
_c1987
300 _a1628p.
650 _aEnvironmental Pollution
650 _aEnvironmental Studies
700 _aV. Kumar
942 _cBK
999 _c2708
_d2708