00429nam a2200169Ia 4500008004100000020001500041082001800056100001700074245002500091260004000116300000800156650001800164650001800182653002300200653001200223653002400235170901s1975    xx            000 0 und d  a0471689254  a574.524bP53E  aPielou, E.C. 0aEcological Diversity  aNew YorkbJohn Wiley and Sonsc1975  a165  aLife sciences  aPure Sciences  aBiotic communities  aEcology  aMathematical models