000 00486 a2200181 4500
020 _a817381404X
082 _a577
_bSAE
100 _aSantra, S. C.
_946219
245 _aEnvironmental science
_b: for students of Indian universities
_cS. C. Santra
250 _a2nd sdition
260 _aKolkata:
_bNew central book agency,
_c2008.
300 _axxix, 1244p.
500 _aPB
546 _aEng
650 _aEcology
_946220
650 _aEnvironmental movements
_946221
942 _cBK
999 _c35627
_d35627