Unit coal and the composition of coal ash
By: by S. W. Parr and W. F. Wheeler.
Contributors: Wheeler, Wilfred Forrest,
Series: Bulletin no. 37 ... University of Illinois Engineering experiment station; University of Illinois bulletin -- v. 6, no. 43; Bulletin (University of Illinois (Urbana-Champaign campus). Engineering Experiment Station) -- no. 37.
Publisher: The University
Published: 1909
Place of publication: Urbana, Ill
Language: eng
Number of pages: 67
Subjects: Coal -- Analysis.