00298nam a2200109Ia 4500008004000000082001500040100004300055245003600098260002000134300000800154650002600162210210b1976   xxu||||| |||| 00| 0 eng d  a574.5 BENF  aBENTON (Allen H) & WERNER (William E).  aField biology and ecology. Ed.3  aNDbT M Hc1976  a564  aField biology ecology