000 00466nam a2200169Ia 4500
008 200130s9999||||xx |||||||||||||| ||und||
020 _c165
040 _aMAIN
041 _aEnglish
082 _a574.526
_bKUM
100 _aKumar ,Arvind
245 0 _aTextbook of Environmental Science
_cArvind Kumar
260 _c2004
_bA P H Publishing
_aNew Delhi
300 _a376
650 _aEcology; Pollution - Nature; Ecosystem; Environment - Social Issue
942 _cBK
999 _c1500
_d1500