Large-scale studies of spontaneous combustion of coal /
by Alex C. Smith, Yael Miron, and Charles P. Lazzara.
- Pgh. [i.e. Pittsburgh] PA : United States Dept. of the Interior, Bureau of Mines, 1991.
- ii, 30 p. : ill. ; 28 cm.
- Report of investigations ; 9346 .
- Report of investigations (United States. Bureau of Mines) ; 9346. .