Three coal mine ventilation studies using sulfur hexafluoride tracer gas /
by Robert P. Vinson and Fred N. Kissell ; Pittsburgh Mining and Safety Research Center.

APA Citation

Vinson, R. P., Kissell, F. N., United States. Bureau of Mines. (1976). Three coal mine ventilation studies using sulfur hexafluoride tracer gas. [Washington]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Vinson, Robert P, Fred N Kissell, and United States. Bureau of Mines. Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1976.