Embryonic Velar Structure and Function of Two Sibling Apecies of With Different Modes of Developmentv. 20380–86
Chaparro, O. R., Charpentier, J. L., and Collin, Rachel. 2002. "Embryonic Velar Structure and Function of Two Sibling Apecies of Crepidula With Different Modes of Development." Biological Bulletin, 203 80–86.