000 00392nam a2200133Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a577.6
_bBRO-E
100 _aBrown, Alison Leadley
245 0 _aEcology of Fresh Water
260 _bHeinemann Educational Books
_aLondon
_c1971
630 _xGeneral Stack
650 _aNATURAL SCIENCES
_vBIOLOGYECOLOGYFRESH WATER
_xPhysics
942 _cBOOK
999 _c37412
_d37412