Extinction: lessons from zoosBenjamin/Cummings164–184
Ralls, Katherine and Ballou, Jonathan D. 1983. "Extinction: lessons from zoos." In Genetics and Conservation. Schonewald-Cox, C. M., Chambers, S. M., MacBryde, B., and Thomas, L., editors. 164–184. Menlo Park: Benjamin/Cummings.