1. Observations sur les duplications expérimentales de la partie distale de l'ébauche de l'aile chez l'embryon de poulet;Amprino;Arch. anat. et morphol. exptl,1959
2. Formazione de duplicatà distali in trapianti crociate ala arto pelvico nell'embrione de pollo;Amprino;Boll. soc. ital. biol. sper,1959
3. The role of mesodermal and ectodermal components in the development of the chick limb;Bell;Develop. Biol,1959
4. Duplication of foot parts after reorientation of the leg-bud apex in the chick embryo;Gasseling;Anat. Record,1960
5. Tissue interaction in the morphogenesis of mouse embryonic rudiments in vitro;Grobstein,1955