1. Allen, H.L.: Primary productivity, chemo-organotrophy, and nutritional interactions of epiphytic algae and bacteria on macrophytes in the littoral of a lake. Ecol. Monogr. 41, 97?127 (1971)
2. Bellamy, D.J., A. Whittick, D.M. John and D.J. Jones: A method for the determination of seaweed production based on biomass estimates. In: A guide to the measurement of marine production under some special conditions, pp 27?33. Paris: UNESCO 1973
3. Bittaker, H.F.: A comparative study of the phytoplankton and benthic macrophyte primary productivity in a polluted versus an unpolluted coastal area, 174 pp. M.S. thesis, Florida state University, Tallahassee, Florida 1975
4. Bittaker, H.F., Y. Hornelas, A. Topham and J.L. Ziegenhals: Final report: biomass-productivity group. In: Biology of seagrass ecosystems: report of a summer course, Ed. by C.P. McRoy. Fairbanks: Seagrass Ecosystem Study Project Office, Institute of Marine Science, University of Alaska 1975
5. Brylinsky, M.: Release of dissolved organis matter by marine macrophytes, 90 pp. Ph. D. thesis, University of Georgia 1971