000 00402nam a2200169Ia 4500
008 160330s2011 xxu||||| |||| 00| 0 eng d
020 _a
041 _aEnglish
082 _a628
_b
100 _aTiwari V K
245 _aText Book Of Environmental Studies
250 _a5th
260 _aHimalaya Pub. House
_c2011
300 _a432p.
_bPaper
650 _aEnvironmental Science
906 _a26507
999 _c124404
_d124404