1. Kitto, S.; Janick, J., Water soluble resins as artificial seed coats. HortScience 15 (Abstr.): 439: 1980.
2. Redenbaugh, K.; Nichol, J.; Kossler, M. E., et al. Encapsulation of somatic embryos for artificial seed production. In Vitro 20(Abstr.):256–257; 1984.
3. Kitto, S. K.; Janick, J. Production of synthetic seeds by encapsulating asexual embryos of carrot. J. Amer. Soc. Hort. Sci. 110:277–282; 1985.
4. Conrad, H. R., Klopfenstein. Role in livestock feeding-greenchop, silage, hay, and dehy. In: Hanson, A. A.; Barness D. K.; Hill, R. R., Jr., eds Alfalfa and alfalfa improvement. American Society of Agronomy Monograph 29; 1988.
5. Rumbaugh, M. D.; Caddel, J. L.; Rowe D. E. Breeding and quantitative genetics, In: Hanson, A. A.; Barnes, D. K.; Hill, R. R., Jr., eds. Alfalfa and alfalfa improvement. American Society of Agronomy Monograph 29; 1988.