Sigman, D. S., & Brazier, M. A. (1980). The evolution of protein structure and function: A symposium in honor of professor Emil L. Smith. Academic Press.

Sigman, David S., and Mary A.B Brazier. The Evolution of Protein Structure and Function: A Symposium in Honor of Professor Emil L. Smith. Boston, Mass.: Academic Press, 1980.

Sigman, David S., and Mary A.B Brazier. The Evolution of Protein Structure and Function: A Symposium in Honor of Professor Emil L. Smith. Academic Press, 1980.