000 00459pam a2200169a 44500
008 140414b2009 xxu||||| |||| 00| 0 eng d
100 _aRANA, S V S
245 _aESSENTIALS OF ECOLOGY AND ENVIRONMENTAL SCIENCE
_c
250 _a4 Ed.
260 _aNew Delhi
_bPHI
_c2009
650 _a ENVIRONMENTAL SCIENCE
650 _a ECOLOGY
650 _a CIVIL ENGINEERING
650 _aENVIRONMENTAL CHEMISTRY
690 _aCIVIL ENGINEERING
906 _a60329
999 _c54708
_d54708