00385nam a2200157Ia 4500008004100000020001500041082001600056100002000072245002700092250000600119260004600125300000800171650001800179650001800197653001200215170901s1971    xx            000 0 und d  a0721669417  a574.5b021F  aOdum, Eugene P. 0aFundamental of Ecology  a3  aPhiladelphiabW.B. Saunders Companyc1971  a574  aLife sciences  aPure Sciences  aEcology