1. The deep-water plankton of Michigan exclusive of the crustacea;Ahlstrom;Trans. Am. Micros. Soc.,1936
2. Anderson, D.V., and Clayton, D. 1959. Plankton in Lake Ontario. Great Lakes Geophys. Res. Group, Ont. Dept. Land Forests, Phys. Res. Note No. 1.
3. Zoo-plankton of the Great Lakes. A guide to the identification and ecology of the common crustacean species;Balcer,1984
4. Results from the Great Lakes National Program Office's biological open water surveillance program of the Laurentian Great Lakes for 1998;Barbiero,2000
5. Results from the U S. EPA's biological open water surveillance program of the Laurentian Great Lakes: I. Introduction and phytoplankton results;Barbiero;J. Great Lakes Res.,2001