Safeguarding electrical equipment used in gassy mines :
European practice
[Part] I,
Great Britain /
by L.C. Ilsley.

APA Citation

Ilsley, L. C. (1928). Safeguarding electrical equipment used in gassy mines: European practice. [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of Mines.

MLA Citation

Ilsley, L. C. Safeguarding Electrical Equipment Used In Gassy Mines: European Practice. [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of Mines, 1928.

Warning: These citations may not always be complete (especially for serials).