1. Uber wachstum and zusammensetzung von Chlorella pyrenoidosa bei unterschieldlichen Lichtarken und Nitratmengen;Aach;Archiv Fur Mikrobiologie,1952
2. Algal assay procedures: Bottle test;Environmental Protection Agency,1971
3. Theoretical analysis of continuous culture systems;Fencl,1966
4. Fencl, Z. (1962) A comparative study of cell mass production in a single and multistage cultivation. In: Continuous cultivation of organisms. Proceedings of the Second Symposium, June 18–23, 1962. Edited by I. Malek, K. Beran, and J. Hospodka, 1964. Printing House of the Czechoslovak Academy of Sciences, Prague, Czechoslovakia.
5. Goldman, J. C. (1972) The kinetics of inorganic carbon-limited growth of green algae in continuous culture: Its relationship to eutrophication. Ph.D. dissertation, University of California, Berkeley.