1. Regional antigenic differences in frog oviduct in relation to fertilization;Barch;Amer. Zool,1963
2. Analyse de ľactivation par la technique des oeufa nus et la polyspermie expérimentale chez les batrachiens;Bataillon;Ann. Sci. Nat. Zool,1919
3. Fertilization of coelomic eggs of Triturus torosus.;Good;Univ. Cal. Publ. Zool,1943
4. Comparison of the nucleus and chromosomes in the lampbrush stage of the newt oöcyte;Izawa;Proc. Natl. Acad. Sci. Wash,1963
5. Role of jelly envelopes of toad eggs in fertilization;Kambara;Annot. Zool. Japon,1953