1. Anderson R.L. & T.A.Bancroft, 1952. Statistical Theory in Research McGraw-Hill, New York.
2. Becker, W., 1975. Manual of Quantitative Genetics. 3rd edition. Washington State University Press: 179 pp.
3. Barritt P.H., P.C.Crandall & P.R.Bristow, 1979. Breeding for root rot resistance in red raspberry. J. Amer. Soc. Hort. Sci. 104: 92–94.
4. Bristow P.R., H.A.Daubeny, T.M.Sjulin, H.S.Pepin, R.N.Nestby & G.E.Windom, 1988. Evaluation of Rubus germplasm for reaction to root rot caused by Phytophthora erythroseptica. J. Amer. Soc. Hort. Sci. 113: 588–591.
5. Comstock R.E. & H.F.Robinson, 1952. Estimation of average dominance of genes. In: Hetorosis. Iowa State College Press, Ames, Iowa.