1. ALVAREZ, R. and SPARKS, D.L., 1985. Polymerization of silicate anions at low concentrations. Nature, 318: 649–651.
2. BARNARD, L.A., MACINTYRE, I.G., and PIERCE, J. W., 1974. Possible environmental index in tropical reef corals. Nature, 252: 219–220.
3. BARR, R., TROXEL, K.S., and CRANE, F. L., 1982. Calmodulin antagonists inhibit electron transport in photosystem II of spinach chloroplasts. Biochem. Biophys. Res. Comm., 104: 1182–1188.
4. BAUER, C., GROS, G., and BARTELS, H., (eds.), 1980. Biophysics and Physiology of Carbon Dioxide. 458pp. Berlin: Springer-Verlag.
5. BECKER, D. W.and BRAND,ZT J., 1985. Anacystis nidulans demonstrates a photosystem II cation require-ment satisfied only by Ca + or Na+. Plant Physiology, 79: 552–558.