1.
|
Research Triangle Park, NC : U.S. Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Office of Research and Development, [2003]
EP 11.2: H 34 |
|
2.
|
[Fort Collins, CO] : U.S. Geological Survey, 1999.
I 19.76: 99-108 |
|
3.
|
[Washington, DC] : U.S. Environmental Protection Agency, Office of Policy, Planning, and Evaluation, [1993]
EP 1.8: R 49/4 |
|
4.
|
[Washington, D.C.?] : The Commission, 1997.
PR 42.8: R 49/ |
|
5.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1998.
KF27 .S3935 1998f |
|
6.
|
[Washington, D.C.? : U.S. G.P.O., 1995-
Y 1.1/8: 104-33/ |
|
7.
|
Washington, D.C. : Joseph Henry Press, c2001.
|
8.
|
Washington, D.C. : National Academies Press, c2009.
|
9.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1995.
Y 4.SCI 2: 104/3 |
|
10.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1995 [i.e. 1996]
Y 4.SCI 2: 104/39 |
|