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2. A two-loci system of gametophytic incompatibility in Solanum phureja and S. stenotonum;Abdalla;Euphytica,1971
3. Self-incompatibility in angiosperms: a review;Arasu;Genetica,1968
4. The genetics of self-incompatibility in Oenothera rhombipetala;Bali;Genetica,1965
5. Über die Erzeugung und Entstehung dihaploider Pflanzen bei Solanum tuberosum;Bender;Z. Pflanzenzücht.,1963