1. Ahokas, H. 1977. A mutant of barley: triploid inducer. Barley Genet Newsl 7, 4–6.
2. Barclay, I R. 1975. High frequencies of haploid production in wheat (Triticum aestivum) by chromosome elimination. Nature, Lond, 256, 410–411.
3. Bennett, M D. 1982. The nucleotypic basis of the spatial ordering of chromosomes in eukaryotes and the implications of the order for genome evolution and phenotypic variation. In Genome evolution and phenotypic variation Proc Symp Camb, June 1981, Academic Press (in press).
4. Cauderon, Y, Tempe, J, and Gay, G. 1978. Création et analyse cytogénétique d'un nouvel hybride: Hordeum vulgare, ssp. distichon × Triticum timopheevi. Cr hebd Séanc Acad Sci, Paris D, 286, 1687–1690.
5. Clauss, E. 1980. Trigeneric hybrids between barley, wheat and rye. Cereal Res Communs, 8, 341–347.