Variation of methane in return airways
By: by A.R. Baker, F.J. Hartwe l, and D. Windle
Contributors: Baker, A. R.
Series: Research reports -- no. 151; Research report (Safety in Mines Research Establishment (Great Britain)) -- no. 151.
Publisher: Safety in Mines Research Establishment
Published: 1958
Language: eng
Number of pages: 19