Crank, J., & Park, G. S. (1968). Diffusion in polymers. Academic Press.
Dyfyniad Arddull ChicagoCrank, John., and Geoffrey Sheard Park. Diffusion in Polymers. New York: Academic Press, 1968.
Dyfyniad MLACrank, John., and Geoffrey Sheard Park. Diffusion in Polymers. Academic Press, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.