Development of titanium load cells for support load determination /
by Michael J. Beus and Earl L. Phillips.
- Washington, D.C. : U.S. Dept. of the Interior, 1975.
- 35 p. : ill.
- Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 7972 .
- Report of investigations (U.S. Department of the Interior. 7972 .