000 00420nam a2200169Ia 4500
008 240820b |||||||| |||| 00| 0 eng d
020 _a81-8318-595-9
100 _aBalasubramanya, N.
245 _aEnvironmental studies
260 _aMumbai
_bHimalaya publishing house
_c2009
300 _a232
365 _b550
546 _aEnglish
700 _aChatwal, Gurdeep R.
942 _cBK
999 _c424599
_d424599
041 _aeng