The limits of inflammability of mixtures of methane and air /
by G.A. Burrell and G.G. Oberfell.

APA Citation

Burrell, G. A. (George Arthur)., Oberfell, G. G.. (1915). The limits of inflammability of mixtures of methane and air. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Burrell, G. A. (George Arthur), b. 1882, and George G. Oberfell. The Limits of Inflammability of Mixtures of Methane And Air. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1915.