1. Effect of adenine mononucleotides on neural tube formation of frog embryo;Ambellan,1955
2. Comparative effects of mono-, di-, and triphosphorylated nucleosides on amphibian morphogenesis;Ambellan;J. Embryol. Exptl. Morphol,1958
3. Brachet, J. Personal communication.
4. An investigation of the role of sulfhydryl groups in morphogenesis;Rapkine;Bull. soc. chim. biol,1951
5. Experimental Embryology;Rugh,1948