1. To the biology of sunflower blooming in connection with the technics of its crossing. (Summary.);Arnoldova;J. Exp. Landw. Südosten Europ. Russl.,1926
2. The time factor in fertilization and embryo development in sugar beet;Artschwager;J. Agr. Res.,1933
3. Recherches sur la maturation de l'aeuf et la fécondation;Beneden;Arch. Biol.,1883
4. Stripping film technics for histological autoradiographs;Boyd;Proc. Soc. Exp. Biol. Med.,1948