A study of the forms in which sulphur occurs in coal
By: by A. R. Powell with S. W. Parr.
Contributors: Parr, Samuel Wilson, 1857-1931.; University of Illinois (Urbana-Champaign campus). Engineering Experiment Station.
Series: University of Illinois. Engineering experiment station. Bulletin -- no. 111; Bulletin (University of Illinois (Urbana-Champaign campus). Engineering Experiment Station) -- no. 111.
Publisher: University of Illinois
Published: 1919
Place of publication: Urbana
Language: eng
Number of pages: 66
Subjects: Coal.; Sulphur.