References
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- Schelske, Claire L. & Roth, James C., 1973: Limnological survey of lakes Michigan, Superior, Huron, and Erie. — Great Lakes Research Div. Publ. 17. Univ. of Michigan, Ann Arbor, Michigan. 108 pp.
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- Verduin, Jacob, 1972: Metabolism of the dominant autotrophs of the North American Great Lakes. — Verh. Internat. Verein. Limnol. 18: 105–112.
- Verduin, Jacob, 1975: Photosynthetic rates in Lake Superior. — Verh. Internat. Verein. Limnol. 19: 689–693.
- Vollenweider, R. A., Munawar, M. & Stadelmann, P., 1974: A comparative review of phytoplankton and primary production in the Laurentian Great Lakes. — J. Fish. Res. Board Can. 31: 739–762.