1. rDNA: Evolution over a billion years;Appels,1986
2. A role for haemoglobin in all plant roots?;Appleby;Plant Cell Environ.,1988
3. Analysis of hybrid zones;Barton;Annu. Rev. Ecol. Syst.,1985
4. Male sterility in Alnus glutinosa (L.) Gaertn;Bensimon;Silvae Genet.,1985
5. Restriction fragments as molecular markers for germplasm evaluation and utilisation;Bernatsky,1989