1. Les effets de la centrifugation sur la blastula et la jeune gastrula des Amphibiens. I. Mecanisme de la formation des organes secondaires aux dépens de l'ectoblast;Pasteels;J. Embryol. Exp. Morph.,1953
2. Lymphocytes on sounding rockets;Cogoli;ESA Sp-307,1990
3. The role of gravity in the establishment of the dorso-ventral axis in the amphibian embryo;Ubbels;ESA SP-1091,1988
4. Fertilization of Xenopus eggs in Space;Ubbels;ESAsp-307,1990
5. Evaluations continue on “Chix in Space” flight experiment;Vellinger;ASGSB Newsletter,1989