1.
|
Hoboken, New Jersey : John Wiley & Sons, Incorporated, [2016] ©2016
|
2.
|
Tulsa, Petroleum Pub. Co. [1971]
|
3.
|
|
4.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1996]
I 19.76: 96-59 |
|
5.
|
Tulsa, Okla. : Oil & Gas Consultants International, c1978.
|
6.
|
[Arlington, Va.] : U.S. Dept. of the Interior, Mining Enforcement and Safety Administration, 1977.
|