Effect of sulfur retention on determined ash in lower-rank coals /
by W.H. Ode and F.H. Gibson.

APA Citation

Ode, W. H. (William Harlan)., Gibson, F. H. (Francis Harold). (1962). Effect of sulfur retention on determined ash in lower-rank coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Ode, W. H. (William Harlan), 1905-, and F. H. (Francis Harold) Gibson. Effect of Sulfur Retention On Determined Ash In Lower-rank Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1962.