Coppensdeeckenbrugge, G., Evrard, B., Gobbe, J., & Louant, BP. (1987). [Quantitative Aspects of Self-incompatibility in Cichorium-intybus L .1. Comparison of Self-fertility and Fertility]. Revue de l’Agriculture, 40(1), 35-40. https://hdl.handle.net/2078.5/73819 (Original work published 1987)