000 00374nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
020 _a81 7488 122 0
082 _a577.6
_bDIW/E
100 _aARORA, D.K.
100 _aDIWAN, A.P.
245 0 _aECOLOGY OF FRESHWATER ORGANISMS AND INSECTS
260 _bAnmol Publications Pvt. Ltd., New Delhi
_aNew Delhi
_c1995
942 _cBK
999 _c5019
_d5019