S. W.  Wise, Jr. and deVilliers, J., ?Scanning electron microscopy of molluscan shell ultrastructures: screw dislocations in pelecypod nacre?, Transactions of the American Microscopical Society, vol. 90, pp. 376-380, 1971.

S. W.  Wise, Jr. and deVilliers, J., ?Scanning electron microscopy of molluscan shell ultrastructures: screw dislocations in pelecypod nacre?, Transactions of the American Microscopical Society, vol. 90, pp. 376-380, 1971.