1. Lush, J. L. 1945. Animal breeding plans. 3rd Ed. Iowa State College Press, Ames, Iowa.
2. Peterson, L. C., and R. L. Plaisted. 1960. Recurrent selection for high specific gravity, pp. 154–156.In 30th ann. report to cooperators, The National Potato Breeding Program. 1959.
3. Smith, Ora. 1959. Potato chips, Chap. 10.In Talburt and Smith, Potato processing, Avi Publishing Co., Westport, Conn.
4. Stevenson, F. J., R. V. Akeley and J. G. McLean. 1954. Potato utilization in relation to variety (heredity) and environment. Am. Potato J. 31: 327–346.
5. Stevenson, F. J., and C. E. Cunningham. 1961. Chip color in relation to potato storage. Am. Potato J. 38: 105–113.