00450nam a2200157Ia 4500008004100000020001500041082001600056100002300072245006800095260004400163300000800207650001800215650001800233653002400251700001700275170901s1981    xx            000 0 und d  a0878938273  a574.1bT67P  aTownsend, Colin R. 0aPhysiological EcologybAn Evolutionary Approach to Resource Use  aMassachusettsbSinauer Associatesc1981  a393  aLife sciences  aPure Sciences  aPlant ecophysiology  aCalow, Peter