1. Dane, F. K., 1976. Evolutionary studies in the genus Cucumis. Ph.D. thesis, Colorado State University, Denver, Col., USA.
2. Deakin, J. R., G. W. Bohn & T. W. Withaker, 1971. Interspecific hybridization in Cucumis. Econ. Botany 25: 195–211.
3. Fassuliotis, G., 1977. Self-fertilization of Cucumis metuliferus
Naud. and its cross-compatibility with C. melo L. J. Amer. Soc. Hort. Sci. 102(3): 336–339.
4. Hogenboom, N. G., 1975. Incompatibility and incongruity: two different mechanisms for the non-functioning of intimate partner relationships. Proc. Royal Soc. London (B). 188: 361–375.
5. Kho, Y. O., A. P. M. den Nijs & J. Franken, 1980. Interspecific hybridization in Cucumis L. II. (in preparation).