1. Altman, D.W., P. A. Fryxell, and C. R. Howell. 1987a. Development of a tissue culture method for collecting wild germplasm ofGossypium. FAO/IBPGR PI. Genet. Resources Newslctt. 71: 14–15.
2. —, —, and —. 1987b. Tissue culture method for collecting wild germplasm of Gossypium. Number 310 in X Congreso Mexicano de Botánica (Programa y Resumenes), Guadalajara, México. 27 Sept.–3 Oct. 1987. Sociedad Botánica de México, México D. F., México.
3. Bajaj, Y.P.S., and M. S. Gill. 1986. Micropropagation and germplasm preservation of cotton (Gossypium spp.) through shoot tip and meristem culture. Indian J. Exp. Biol. 24:581–583.
4. Fryxell, P.A. 1979. The natural history of the cotton tribe. Texas A&M University Press, College Station.
5. Lee, J.A. 1984. Cotton as a world crop. Pages 1–25in R. J. Kohel and C. F. Lewis, ed., Cotton. American Society of Agronomy, Madison, WI.