Three coal mine ventilation studies using sulfur hexafluoride tracer gas /

Bibliographic Details

Main Authors:	Vinson, Robert P., Kissell, Fred N. (Author)
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	[Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1976.
Series:	Report of investigations (United States. Bureau of Mines) ; 8142.
Subjects:	Mine ventilation. Sulfur hexafluoride.