University of South Dakotausd-apps.usd.edu/coglab/schieber/docs/Sivak2002.pdfM. Sivak /...
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University of South Dakotausd-apps.usd.edu/coglab/schieber/docs/Sivak2002.pdfM. Sivak / Transporgatio'l Research Part F S (2002) 250—269 the enormous amount of driving, it is estimated