1. Ober das Verhalten von Enzymen im Hiihnerei wahrend der Bebrutung;Ammon;- Biochem. Zschr,1934
2. Aspects of limb morphogenesis in the chicken;Amprino,1965
3. Effects of papaverine and calcium-free medium on salivary gland morphogenesis;Ash;- Devel. Biol,1973
4. Cholinesterase in developing sea urchin eggs;Augustinsson;- J. cell. comp. Physiol,1949
5. Studies on the development of the foregut in the chick blastoderm;Bellairs;2. The morphogenetic movements. -J. Embryol. exp. Morph,1953