1. Antonovics, J. 1968. Evolution in closely adjacent plant population. V. Evolution of self fertility. Heredity, 23, 219–238.
2. Cahalan, C M, and Gliddon, C. 1985. Genetic neighbourhood in Primula vulgaris. Heredity, 54 (1), 65–70.
3. Cuguen, J, Acheroy, M, Loutfi, A, Petit, D, and Vernet, P H. 1989. Breeding system differentiation in Arrhenatherum elatius populations: evolution toward selfing? Evol Trends in Plants, 3, 17–24.
4. Ducousso, A. 1985. Comparaison de Populations Adjacentes d'Arrhenatherum elatius sur des Sols Normaux et Toxiques: Analyse de la Diversité Génétique et du Régime de Ia Reproduction. Thesis, University of Lille.
5. Ducousso, A, Loutfi, A, Petit, D, Acheroy, M, Valero, M, and Vernet, P H. 1987. Structure génétique et régime de la reproduction chez Arrhenatherum elatius L., Coll Nat CNRS “Biologie des Populations”, Lyon, 4–7 Sept. 1986, pp. 317–319.