United States. Federal Highway Administration
Unknown Author
Larry D. Sellon
Byrd, Tallamy, Macdonald & Lewis.
Robert K. Lockwood
American Association of State Highway and Transportation Officials
United States
Robert Ferguson Legget
David E. Kuemmel
Donald M Murray
National Conference on Snow and Ice Control Ottawa, Ont. 1973.
J. C. McBride
National Research Council, Canada. Associate Committee on Geotechnical Research. Working Group on Urban Snow Removal.
T. H. Maze