00285nam a2200097Ia 4500008004100000082002400041100003400065245003900099260004100138300000800179140113s9999    xx            000 0 und d  a581.1:582.5/.6   L1  a"Street, H.E. & Helgi, Opik."  aThe Physiology of flowering plants  a1971bEdward Arnold(Pub)Ltd.cLondon  a263