00441nam a2200169Ia 4500008004100000020001500041082001700056100002300073245002200096260004000118300000800158650002300166650001800189653002100207653001700228700002600245170901s1975    xx            000 0 und d  a0471596299  a581.16bM56P  aMertens, Thomas R. 0aPlant Life Cycles  aNew YorkbJohn Wiley and Sonsc1975  a168  aBotanical sciences  aPure Sciences  aPlant physiology  aReproduction  aStevenson, Forrest F.