000 00501nam a2200217 454500
001 055659
003 BD-ChCU
008 Eng
020 _a81219168 1
040 _aDLC
_cDLC
_dBD-ChCU
082 0 0 _a577/V522c
100 1 _aVerma, P.S
_bAgarwal, V.K
245 1 0 _aConcepts of ecology
_b(Environmental biology)
250 _a1st ed.
260 _aNew Delhi
_bS.chand
_c1999
300 _avii,264
504 _aIncludes
650 0 _aEcology
_bEcology
700 1 _ax
942 _2ddc
_cBK
999 _c55659
_d55659