Investigation of materials for use in a heat transfer system containing liquid lead alloys, report no. XII : final report April 1, 1950 to June 30, 1951 /

"U. S. Government Printing Office: 1955."--P. 34.

Development of a process for producing an ashless, low-sulfur fuel from coal.

Prepared for the Office of Coal Research, Dept. of the Interior...by the Pittsburg & Midway Coal Mining Co., Kansas City, Mo.