00426nam a2200157Ia 4500008004100000082001600041100001800057245005000075260004100125300000800166650002300174650001800197653001900215653001800234700001600252170901s1948    xx            000 0 und d  a581.1bM88V  aMurneek, A.E. 0aVernalization and PhotoperiodismbA Symposium  aUSAbChronica Botanica Companyc1948  a196  aBotanical sciences  aPure Sciences  aPhotoperiodism  aVernalization  aWhyte, R.O.