000 00294nam a22000977a 4500
008 140101b xxu||||| |||| 00| 0 eng d
050 _a577
100 _aTrivedy R K
245 _aPractical methods in ecology and environmental science
_cP K Goel
260 _aKarad
_bEnviro media publications
_c1998
999 _c328922
_d328922