00460nam a2200157Ia 4500008004100000082001600041100002200057245006200079260005000141300000800191650002300199650001800222653002100240700001800261700002300279170901s1952    xx            000 0 und d  a581.1bB69P  aBeadle, George W. 0aPrinciples of Plant PhysiologybA Series of Biology Texts  aSan FranciscobW.H. Freeman and Companyc1952  a499  aBotanical sciences  aPure Sciences  aPlant physiology  aBonner, James  aGalston, Arthur W.