Composition of the natural gas used in twenty-five cities :
with a discussion of the properties of natural gas /
by G.A. Burrell and G.G. Oberfell.

APA Citation

Burrell, G. A. (George Arthur)., Oberfell, G. G.. (1915). Composition of the natural gas used in twenty-five cities: with a discussion of the properties of natural gas. 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. Composition of the Natural Gas Used In Twenty-five Cities: With a Discussion of the Properties of Natural Gas. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1915.