Yazar
Donald J Klemm
8 cilt bulundu.
Donald J Klemm · Environmental Monitoring and Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
177 sayfa · 1982
Leeches
Donald J Klemm · Environmental Monitoring Systems Laboratory-Cincinnati, Office of Modeling, Monitoring Systems, and Quality Assurance, Office of Research and Development, U.S. Environmental Protection Agency
348 sayfa · 1993
Water quality / Water quality bioassay / Measurement
Donald J Klemm · Environmental Monitoring Systems Laboratory - Cincinnati, Office of Modeling, Monitoring Systems, and Quality Assurance, Office of Research and Development, U.S. Environmental Protection Agency
256 sayfa · 1990
Testing / Laboratory manuals / Aquatic invertebrates / Water quality
Donald J. Klemm · National Health and Environmental Effects Research Laboratory [and] National Exposure Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
Sayfa sayısı yok · 2002
Stream ecology / Water quality / Environmental monitoring / Handbooks, manuals / Measurement
Donald J. Klemm · U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
53 sayfa · 1972
Leeches / Identification / Sangsues
Donald J. Klemm · Environmental Monitoring Systems Laboratory, Office of Modeling, Monitoring Systems, and Quality Assurance, Office of Research and Development, U.S. Environmental Protection Agency
Sayfa sayısı yok · 1991
Environmental laboratories / Auditing / Handbooks, manuals / Water / Pollution
Donald J. Klemm, Ohio). Aquatic Biology Section Environmental Monitoring and Support Laboratory (Cincinnati · Environmental Monitoring and Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
177 sayfa · 1982
Leeches