000 00466 a2200181 4500
003 ISURa
008 140916b xxu||||| |||| 00| 0 eng d
020 _a8121908590
041 _aEnglish
082 _a577
_bVER
100 _aVerma , P.S.
245 _aEnvironmental biology
_bprinciples of ecology
260 _c2004
_aNew Delhi
_bS. Chand
300 _c18 cm.
_a591 p.
_bill.
650 _aENVIRONMENTAL BIOLOGY
700 _aAgarwal , V. K.
942 _cLN
_2ddc
999 _c34222
_d35769