1. Lecture Notes;Beretta,1990
2. The effect of temperature on the dynamics of a phytoplankton population
3. and , Phytoplankton-Zooplankton-Nutrient Interaction Model for Western Lake Erie. System Analysis and Simulation in Ecology, Ed. Academic Press, New York, 1985, pp. 423-474.
4. Leçons sur quelque type simples d'equations aux derivées partielles avec des applications a la physique mathematiques, Gauthier-Villars, Paris, 1950.
5. Response of Gonyaulax tamarensis to the presence of a pycnocline in an artificial water column