1. P. J. J. Hooykaas, R. A. Schilperoort, and A. Rorsch, Genetic Engineering Vol, 1, p. 151–179, J. K. Setlow and A. Hollaender eds., Plenum Press, New York-London (1973).
2. C. I. Kado, Genetic Engineering Vol. 1, p. 223–239 (1979).
3. C. I. Kado, and A. Kleinhofs, Intl. Rev. Cytology, Suppl. IIB, 47–80, I. K. Vasil, ed., Academic Press, New York (1980).
4. M.-D. Chilton, Genetic Engineering of Osmoregulation p. 23–31, D. W. Rains, R. C. Valentine and A. Hollaender, eds., Plenum Press, New York-London (1980).
5. R. B. Meagher, and T. D. McKnight, Genome Organization and Expression in Plants, C. J. Leaver, ed., p. 63–75. Plenum Press, New York-London (1980).