000 00312nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a7881265133
100 _aManjunath, D.L
245 0 _aEnvironmental udies
260 _aPearson education
_bNew Delhi
_c2007
300 _axvi;719
_b400
650 _aMECHANICAL
999 _c132505
_d132505