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024 _a39631
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aG:5, L02
100 _aWhittaker Robert H
245 0 _aCommunities and ecosystems
260 _aLondon
_bMacmillan
_c1970
300 _ap.
_ccm.
490 _aCurrent concepts in biology series
942 _hG:5, L02
_cTEXL
_2CC
999 _c89354
_d89354