1988. "Aquatic Plant Identification
H. E., and K. D. Getsinger.
and Herbicide Use Guide," Technical Report A-88-9 (2 vols), US Army Engineer
Waterways Experiment Station, Vicksburg, MS.
F. Hall. 1983. "Threshold 2,4-D Concentrations for
Westerdahl, H. E., and
Control of Eurasian Watermilfoil and
Pondweed," J. Aquat. Plant Manage.,
Williams, E. H., E. L.
and S.
Carter.
1984. "Toxicity of the Her-
bicides Endothall and Diquat to Benthic
Bull. Environ.
Toxicol.,
Wilson, D. C., and C. E. Bond. 1969. "The Effects of the Herbicides Diquat
and Dichlobenil (Casoron) on Pond Invertebrates; Part I. Acute Toxicity,"
Trans. Amer. Fish.
Wingfield, G. I., and J. M. Johnson. 1981. "Deoxygenation of Water Following
Use of the Herbicide Terbutryn Simulated in a Batch Culture System," Bull.
Environ.
Toxicol.,
"Dissipation of Endothall and Effects on Aquatic Weeds and
Yeo, R. R. 1970.
Fish," Weed Sci.,
180