Permafrost tunneling by a continuous mechanical method /
George K. Swinzow.
APA Citation
Swinzow, G. K. (1970). Permafrost tunneling by a continuous mechanical method. Hanover, N.H.: Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory.
MLA Citation
Swinzow, George K., 1915-. Permafrost Tunneling by a Continuous Mechanical Method. Hanover, N.H.: Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory, 1970.
Warning: These citations may not always be complete (especially for serials).