Sotiris Brakatsoulas, Dieter Pfoser, Nectaria Tryfona, & Agnès Voisard, Dynamic travel time maps, in Encyclopedia of Gis, 255–260 (Encyclopedia of GIS, Springer-Verlag 2008). PDF Abstract:
Sotiris Brakatsoulas, Dieter Pfoser, Nectaria Tryfona, & Agnès Voisard, Dynamic travel time maps, in Encyclopedia of Gis, 255–260 (Encyclopedia of GIS, Springer-Verlag 2008). PDF