Thermal requirements for the gasification of lignite in an externally heated retort

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086 0 ‡aI 28.23:4957
100 1 ‡aChetrick, M. H.
245 1 0 ‡aThermal requirements for the gasification of lignite in an externally heated retort / ‡cby M.H. Chetrick.
260 ‡aPittsburg, P.A.: ‡bUnited States Department of the Interior, Bureau of Mines, ‡c1953.
300 ‡a7 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v4957
538 ‡aMode of access: Internet.
650 0 ‡aCoal gasification ‡xCosts.
650 0 ‡aLignite.
710 1 ‡aUnited States. ‡bBureau of Mines.
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