000 00412cam a2200181ua 4500
001 11257
008 120327n2007 II |||gr||||Z||||||eng
040 _aMAIN
041 _aEnglish
082 _a577 VER
100 _aVERMA, P.S.
245 _aENVIRONMENTAL BIOLOGY
260 _aNEW DELHI
_bS.CHAND & COMPANY
_c2007
300 _a591.:
_c22CM.
653 _aEcology
700 _aAGARWAL, V.K.
942 _cBK
999 _c11224
_d11224