1. Effect of UV on cleavage of Xenopus laevis;Beal;J. Exp. Zool,1975
2. An old enigma: The gray crescent of amphibian eggs;Brachet;Curr. Topics Develop Biol,1977
3. Developmental lesions in amphibian embryos induced by ultraviolet irradiation of the fertile egg;Chung;Korean J. Zool,1977
4. Morphogenetic interactions before gastrulation in the amphibian, Xenopus laevis—The cortical field;Curtis;J. Embryol. Exp. Morphol,1962
5. Une conception nouvelle des bases physiologiques de la morphogénèse;Dalcq;Arch. Biol,1937