00393nam a2200133Ia 4500008004100000082001300041100001800054245003400072260003400106300000900140490007100149600001800220650002100238140224s9999    xx            000 0 und d  a581.1 L1  aLevitt, Jacob  aPlant physiology; a treatise.  aNew YorkbPrentice Hallc1971  av.6A  avol.6 A: Physiology of development: Plants  and their reproduction  a Jacob Levitt  aPlant Physiology