000 00401nam a2200157Ia 4500
008 221007s9999 xx 000 0 und d
020 _a978-81-224-2617-5
082 _a540.2
_bDEA
100 _aKumar, Anil & Kumar Amab
245 0 _aEnvironmental Studies
250 _a2nd
260 _aNew Age, New Delhi
_bNew Age, New Delhi
_c2006
300 _a247
650 _aENVIROMENTAL
942 _cBK
999 _c1008
_d1008