1. l-(+_-Lactate dehydrogenase;Bergmeyer,1983
2. Glutamate pyruvate transminase;Bergmeyer,1974
3. Presence of d-alanine in crustacean muscle and hepatopancreas;D'Aniello;Comp. Biochem. Physiol.,1980
4. Occurence of d-alanine in the eggs and the developing of embryo of the sea urchin Paracentrotus lividus;D'Aniello;Comp. Biochem. Physiol.,1990
5. Peptidyl-d-amino acid hydrolase from Loligo vulgaris Lam;D'Aniello;J. Biol. Chem.,1984