1. A Study of the Breeding Biology of the Purple Martin (Progne subis)
2. BALLOU, J.1983. Calculating inbreeding coefficientsfrom pedigrees. Pp. 509-520 in Genetics and con-servation (C. M. Schonewald-Cox, S. M. Cham-bers, B. MacBryde, and L. Thomas, Eds.). MenloPark, Benjamin/Cummings Publ.BallouCalculating inbreeding coefficients from pedigrees509Genetics and conservation1983