000 00431nam a2200133 4500
245 _aEnvironmental science
_cby S.C.Santra
100 _aSantra,S.C.
260 _aKolkata
_bNew Central Book Agency
_c2001 [reprinted 2008]
300 _axxix ,1244 p.; 24 cm.
500 _aFor students of Indian Universities
020 _a817381404x
082 _a333.70954
_bSAN
650 _aEnvironmental science --Study and teaching(Higher)--India
999 _c70311
_d70311