000 00404nam a2200157Ia 4500
008 221030s9999 xx 000 0 und d
020 _a8173194106
041 _aEnglish
082 _a105.23
_bSub
100 _aV. Subramanian
245 2 _aA Text Book in Environmental Science
_cby V. Subramanian
260 _bNarosa Pub. House
_aNew Delhi
_c2002
300 _a238
650 _aChemistry
942 _cBK
999 _c3177
_d3177