http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
manual for the identification of the larvae of the caddisfly genera Hydropsyche pictet and Symphitopsyche ulmer in eastern and central North America (Trichoptera: hydropsychidae)
Environmental Monitoring and Support Laboratory (Cincinnati, Ohio)
by Guenter A. Schuster, State Biological Survey of Kansas, and David A. Etnier, Dept. of Zoology, University of Tennessee.
Research reporting series. EPA-600/4-78-060