A guide to the freshwater Tubificidae (Annelida: Clitellata: Oligochaeta) of North America
By: by Kurt S. Stimpson, Donald J. Klemm, and Jarl K. Hiltunen.
Contributors: Klemm, Donald J.; Hiltunen, Jarl K.; United States. Environmental Protection Agency.; United States. Environmental Monitoring and Support Laboratory (Cincinnati, Ohio). Office of Research and Development.
Publisher: National Technical Information Service
Published: 1987
Place of publication: [Springfield, Va.]
Language: eng
Number of pages: 61
Subjects: Annelida -- North America -- Identification.; Oligochaeta -- North America -- Identification.; Freshwater biology
Notes: "EPA-600/3-82-033."

"PB82-207150."

Originally published: [s.l.] : Environmental Monitoring and Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1982.

Bibliography: l. 53-59.

Xerox copy.