00471nam a2200157Ia 4500008004100000020001500041082001600056100002200072245008200094260004800176300000800224650003100232650001800263653001600281653001600297170901s1976    xx            000 0 und d  a0521208092  a561.2bH89P  aHughes, Norman F. 0aPalaeobotany of Angiosperm OriginsbProblems of Mesozoic Seed-Plant Evolution  aCambridgebCambridge University Pressc1976  a242  aPaleontology/ Paleozoology  aPure Sciences  aAngiosperms  aPaleobotany