1.
|
Cambridge : Cambridge University Press, 2013.
|
2.
|
Pisa : Edizioni della Normale, 2016.
|
3.
|
Washington, D.C. : National Academy Press, 1991.
|
4.
|
Washington, DC : National Academy Press, 1994.
|
5.
|
Washington, D.C. : National Academy Press, 2000.
|
6.
|
Menlo Park, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. G.P.O., 2002.
|
7.
|
[Menlo Park, CA] : U.S. Geological Survey, 1996.
I 19.76: 96-738 |
|
8.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor, 1997?]
I 19.76: 97-57 |
|
9.
|
Vancouver, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
I 19.76: 98-638 |
|
10.
|
Washington : U.S. Govt. Print. Off., 1978.
|