1.
|
Tucson, Ariz. : U.S. Geological Survey, Dept. of the Interior ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1993]
I 19.76: 93-405 |
|
2.
|
Washington, U.S. Govt. Print. Off., 1972.
|
3.
|
Washington, U.S. Govt. Print. Off., 1972.
|
4.
|
Cham, Switzerland : Springer, 2016.
|
5.
|
Cham, Switzerland : Springer, [2018]
|
6.
|
London, England : SW Pictures Ltd, 2011.
|
7.
|
Philadelphia, Pennsylvania : University of Pennsylvania Press, 2015. ©2015
|
8.
|
Oxford, New York : Pergamon Press, 1967.
|
9.
|
Englewood Cliffs, N.J., Prentice-Hall [1968]
|
10.
|
Urbana : Illinois State Geological Survey, 1944.
|