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“Regeneration of gills of Zygoptera naiads.”
38: 59-60.
1958.
“Activities of the Strong Motion Instrument Program. August 3, 1977 to September 15, 1978”
Special Publication 55.: .
1979.
1997.
“The invasion of Daphnia lumholtzi (Sars) into Lake Texoma (USA).”
133 (3): 287-303.
1995.
“Factors which affect the abundance of an invasive cladoceran, Daphnia lumholtzi, in U.S. reservoirs.”
1999 (42): 1-10.
1999.
“Environmental variability and the population dynamics of the exotic Daphnia lumholtzi and native zooplankton in Lake Texoma, U.S.A.”
405 (1/3): 11-23.
1999.
“Excerpts from Minnesota''s St. Croix River Valley and Anoka Sandplain: A Guide to Native Habitats”
: 38.
1993.
1995.
“Impact of a protective limestone treatment on the water chemistry and zooplankton community of Thrush Lake, Minnesota”
4(3): 292-306.
1996.
1990.
1975.
“Gloeodendron, a rare algae in Oklahoma.”
57: 169-170.
1977.
1983a.
1983b.
1983c.
1983.
“Ultraviolet radiation and zooplankton community structure following deglaciation in Glacier Bay, Alaska”
82(6): 1748-1760.
2001.
1983.
1951.
1972.