Spark-source mass spectrometer investigation of coal particles and coal ash

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100 1 ‡aKessler, T.
245 1 0 ‡aSpark-source mass spectrometer investigation of coal particles and coal ash / ‡cby T. Kessler, A.G. Sharkey, Jr., and R.A. Friedel.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines ; ‡c1971
300 ‡a15 p. ; ‡c27 cm.
490 0 ‡aTechnical progress report ; ‡v42
500 ‡aPrepared for Bureau of Mines Respirable Dust Research Program.
504 ‡aIncludes bibliographical references (p. 15).
538 ‡aMode of access: Internet.
650 0 ‡aMass spectrometry.
650 0 ‡aCoal mines and mining ‡xDust control.
650 0 ‡aMine dusts ‡xAnalysis.
700 1 ‡aFriedel, Robert A., ‡ejoint author.
700 1 ‡aSharkey, A. G. ‡q(Andrew G.), ‡ejoint author.
710 1 ‡aUnited States. ‡bBureau of Mines. ‡tTechnical Progress Report.
710 1 ‡aUnited States. ‡bBureau of Mines. ‡bRespirable Dust Research Program.
710 2 ‡aPittsburgh Energy Research Center.
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