Winter operations, 1972-1973 /
John C. Ayers, William L. Yocum, Erwin Seibel.

APA Citation

Ayers, J. C. (John Carr)., Seibel, E., Yocum, W. L., University of Michigan. Great Lakes Research Division. (1973). Winter operations, 1972-1973. Ann Arbor, Mich.: Great Lakes Research Division, University of Michigan.

MLA Citation

Ayers, John C. (John Carr), 1912-, Erwin Seibel, William L Yocum, and University of Michigan. Great Lakes Research Division. Winter Operations, 1972-1973. Ann Arbor, Mich.: Great Lakes Research Division, University of Michigan, 1973.