00450nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100002800118245002800146250001000174260003600184300002000220650001600240CHAP20220329141115.0971014s1959            r     00010     d  a62669  a63641  a67818  cCHAP  a574.5bO38f00aOdum, Eugene Pleasants.  aFundamentals of ecology  a2 ed.  aPhiladelphia :bSaunders,c1959  a546 p.b: ilus.14aEcología.