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1979.
“Index to Diatom Research, volumes 1-14. 1986-1999”
16: 125-246.
2001.
“A revision of the North American species of _Metophthalmus_ (Coleoptera: Lathridiidae)”
30 (1): 37-56.
1976.
“Woody debris and its contribution to pool formation in a coastal stream 50 years after logging.”
45: 2080-86.
1988.
1982.
1985.
1999.
“How groundwater mediates drought-induced changes in endogenic carbonate flux to lake sediments in arid regions”
80(46): F54.
1999.
1998.
“Regional and local hydrogeology of calcareous fens in the Minnesota River Basin, U.S.A.”
18(2): 184-202.
1998.
1975.
1993.
1995.
1985.
1958.
1966.
1992.
1978.
1981.
1982.