1. Brian PW (1957) The effects of some microbial metabolic products on plant growth. Symp Soc Exp Biol 11:166–182
2. De Haan H (1927) Length factors inPisum. Genetica 9:481–497
3. De Haan H (1930) Contributions to the genetics ofPisum. Genetica 12:321–439
4. Favret EA, Favret GC, Malvarez EM (1975) Genetic regulatory mechanisms for seedling growth in barley. In: Barley genetics III. Proc 3d Int Barley Genet Symp, Garching, West Germany, pp 37–42
5. Foster CA (1977) Slender: An accelerated extension growth mutant of barley. Barley Genet Newslett 7:24–27