000 00499nam a2200193Ia 4500
003 OSt
005 20230508120906.0
008 230411s9999 xx 000 0 und d
020 _a81-7319-410-6
020 _a9788173194108
040 _cDDC
082 _a621.4022
_bSUK
100 _aSubramanian, V.
245 2 _aA Text book in Environmental Science
260 _bNarosa Publishing House
_aNEW DELHI
_cThird reprint- 2007
300 _avi; 238p.
650 _aElectronics
942 _cBK
_2ddc
999 _c3432
_d3432