000 00241nam a2200097Ia 4500
100 _aTRIVEDI, R.K.
245 _aPRACTICAL METHODS IN ECOLOGY AND ENVIRONMENTAL SCIENCE
260 _bENVIRONMENTAL PUB.
_c1987
300 _a340
942 _2ddc
_cBB
999 _c73016
_d73016