000 00312nam a2200121Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a81-317-0912-4
100 _aManjunath, D.L
245 0 _aEnvironmental studies
260 _aPearson education
_bDelhi
_c2007
300 _b140
650 _aGENERAL BOOKS
999 _c174638
_d174638