Taylor, N. B., & Jeffery, D. J. (1981). Determining optimum routes from maps. Transport and Road Research Laboratory.
Cita Chicago Style (17a ed.)Taylor, N. B., y D. J. Jeffery. Determining Optimum Routes from Maps. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
Cita MLA (9a ed.)Taylor, N. B., y D. J. Jeffery. Determining Optimum Routes from Maps. Transport and Road Research Laboratory, 1981.
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