Methane analyzer system to record continuously the methane content of coal mine ventilation air

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100 1 ‡aIrani, M. C.
245 1 0 ‡aMethane analyzer system to record continuously the methane content of coal mine ventilation air / ‡cby M.C. Irani, P.W. Jeran, and D.H. Lawhead.
260 ‡a[Washington, D.C.] : ‡bU.S. Bureau of Mines, ‡c[1975]
300 ‡a14 p. : ‡billus., tables ; ‡c26 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡acomputer ‡bc ‡2rdamedia
338 ‡aonline resource ‡bcr ‡2rdacarrier
490 0 ‡aReport of investigations / United States. Bureau of Mines ; ‡v8009
538 ‡aMode of access: Internet.
650 0 ‡aMine ventilation. ‡0http://id.loc.gov/authorities/subjects/sh85085544
650 0 ‡aCoal mines and mining ‡xSafety measures. ‡0http://id.loc.gov/authorities/subjects/sh85027377
650 0 ‡aMethane ‡xAnalysis.
700 1 ‡aLawhead David H., ‡eauthor.
700 1 ‡aJeran, P. W., ‡eauthor.
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