1. BELL, G. R.: J. Fish. Res. Bd. Can.25, 1247 (1968).
2. BERGMEYER, H.-U., and E. BERNT: in Methods of Enzymatic Analysis. Editor BERGMEYER, H.-U., New York, Academic Press, 1963, p. 839.
3. BLOGOSLAWSKI, W. J., C. BROWN, E. W. RHODES, and M. BROADHURST: in Proceedings, 1st International Symposium on Ozone for Water and Wastewater. Editors BROWNING, M., and R. RICE, Waterbury, Conn., International Ozone Inst., 1975, p. 674.
4. BRAUNSTEIN, A. E.: in The Enzymes, 3rd edition. Editor BOYER, P. D., New York, Academic Press, 1973, p. 379.
5. BROWN, B. E., and R. C. NEWELL: Mar. Biol.16, 108 (1972).