000 00243nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aKARMONDY (EJ)
245 0 _aCONCEPTS OF ECOLOGY
250 _a4TH
260 _bPEARSON EDU.
942 _2ddc
999 _c98969
_d98969