01617nam a2200349Ia 4500005889398MiAaHDL20250726000000.0m d cr bn ---auaua950624s1958 dcua b f000 0 eng d(MiU)990058893980106381sdr-miu.990058893980106381(MiU)MIU01000000000000005889398-goog(OCoLC)32706899(MiU)Aleph005889398HOEHOEUSBMIUtOrBLWUSBIColbassani, P. J.Determination of low concentrations of methane in coal-mine-air samples by infrared absorption spectrometry /by P.J. Colbassani and H.A. Watson.[Washington, D.C.] :U.S. Dept. of the Interior, Bureau of Mines,1958.13p :ill. ;27 cm.texttxtrdacontentunmediatednrdamediavolumencrdacarrierInformation circular / United States. Bureau of Mines ;7839Includes bibliographical references.Mode of access: Internet.Coal mines and mining.http://id.loc.gov/authorities/subjects/sh85027364Infrared spectroscopy.http://id.loc.gov/authorities/subjects/sh85066329Absorption spectra.http://id.loc.gov/authorities/subjects/sh85000249MethaneMeasurement.Watson, H. A.United States.Bureau of Mines.http://id.loc.gov/authorities/names/n79063444http://id.loc.gov/rwo/agents/n790634443901507845436300588939820241218071440.020250726000000.020260408140527.02026-04-09T06:01:23Z2026-03-01T18:30:03ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990058893980106381MiUSDRGWLA005889398mdp.39015078454363MIU990058893980106381MIUGWLA20260409googlemdp.390150784543631958pdbibUS fed doc