Washington, D.C. : U.S. Environmental Protection Agency, Office of Research and Development, National Center for Environmental Research and Quality Assurance, [1999]
Physical Details
xxii, 280 pages ; 28 cm
OCLC
ocm42190102
Cover title.
"July 1999."
Includes index.
"EPA/600/R-99/046."
Includes bibliographical references.
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 1999 4 microfiches : negative.