Roberts, P. O., & Suhrbier, J. H. (1966). Highway location analysis: An example problem. Cambridge: Massachusetts Institute of Technology.
Παραπομπή Chicago StyleRoberts, Paul O., and John H. Suhrbier. Highway Location Analysis: An Example Problem. Cambridge: Massachusetts Institute of Technology, 1966.
Παραπομπή MLARoberts, Paul O., and John H. Suhrbier. Highway Location Analysis: An Example Problem. Cambridge: Massachusetts Institute of Technology, 1966.
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