1.
|
Cambridge, UK ; New York : Cambridge University Press, 1999.
|
2.
|
Oxford [England] ; New York : Oxford University Press ; c2007.
|
3.
|
San Diego, CA : Academic Press, 1999.
|
4.
|
[Denver, CO] : U.S. Geological Survey, 1999.
I 19.76: 99-516 |
|
5.
|
[Denver, CO] : U.S. Geological Survey, 1995.
I 19.76: 95-37 |
|
6.
|
[Reston, VA] : U.S. Geological Survey, 1994.
QE772 .G53 1994 |
|
7.
|
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 1994.
I 19.76: 95-673 |
|
8.
|
[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
I 19.76: 98-46 |
|