1. Ahn S, Tanksley SD (1993). Comparative linkage maps of the rice and maize genomes. Proceedings of the National Academy of Science USA 90: 7980–7984.
2. Akkaya MS, Bhagwat AA, Cregan PB (1992). Length polymorphisms of simple sequence repeat DNA in soybean. Genetics 132: 1131–1139.
3. Allard RW (1960). Principles of plant breeding John Wiley & Sons, Inc. New York.
4. Association of Official Seed Analysts. (1991) Fluorescence test of ryegrass. AOSA Newsletter 65: 32–40.
5. Casier MD, Pedersen JF, Eizenga GC, Stratton SD (1996). Germplasm and cultivar development. In: Cool-season forage grasses. Agronomy Monograph no. 34. Moser LE, Buxton DR, Casier MD (eds.) pp. 413–469.