000 00360nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e183631
_aMAIN
041 _aEnglish
082 _a363.7 C399E
100 _aChawdhary, B B
245 0 _aEnvironmental studies
260 _aNew Delhi
_bShree Mahavir Book Depot
_c2009
300 _a232 p.
942 _cBK
999 _c153597
_d153597