Quantitative Genetics of Bryozoan Phenotypic Evolution .1. Rate Tests for Random Change Versus Selection in Differentiation of Living Speciesv. 47No. 5SOC STUDY EVOLUTION1526–1538
Cheetham, Alan H., Jackson, Jeremy B. C., and Hayek, Lee-Ann C. 1993. "Quantitative Genetics of Bryozoan Phenotypic Evolution .1. Rate Tests for Random Change Versus Selection in Differentiation of Living Species." Evolution, 47, (5) 1526–1538.