Schoon, J. G. (1993). Geometric design projects for highways: : an introduction. New York, NY.: American Society of Civil Engineers.
Παραπομπή Chicago StyleSchoon, J. G. Geometric Design Projects for Highways: : An Introduction. New York, NY.: American Society of Civil Engineers, 1993.
Παραπομπή MLASchoon, J. G. Geometric Design Projects for Highways: : An Introduction. New York, NY.: American Society of Civil Engineers, 1993.
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