1. T.J. Flowers, F. Troke and A.R. Yeo, Ann. Rev. Plant Physiol. 28:89–121 (1977).
2. E. Epstein, in: “Genetic Engineering of Osmoregulation: Impact on Plant Productivity for Food, Chemicals and Energy”, (D.W. Rains, R.C. Valentine and A. Hollaender, eds.) pp. 7-21 (1980)
3. A. Läuchli, Ber. Deutsch, Bot. Ges. 92:87–94 (1979).
4. H. Greenway and R. Munns, Ann. Rev. Plant Physiol., 31:149–190 (1980).
5. A. Läuchli and R. Pfluger in: “Potassium Research — Review and Trends”, pp. 111–163, International Potash Institute, Bern, Switzerland, (1979).