The water content of coal
Subtitle: with some ideas on the genesis and nature of coal
By: by Edward Mack, jr.
Published: 1917
Place of publication: [New Haven
Language: eng
Number of pages: 21
Subjects: Coal -- Analysis.
Notes: Thesis (Ph. D.)--Princeton university, 1916.
"From the American journal of science, vol. XLIII, pp. 89-110, Feb. 1917."