Citation Data
MLA
Pfefer, Ronald C. Improved Safety Information to Support Highway Design. Washington, D.C. :National Academy Press, 1999.
APA
Pfefer, Ronald C. (1999). Improved safety information to support highway design. Washington, D.C. :National Academy Press,
Chicago
Pfefer, Ronald C. Improved Safety Information to Support Highway Design. Washington, D.C. :National Academy Press, 1999.
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