biblio toscana

Tav. 2: Arno basin (Toscana). A, Digitally-generated drainage-divide networks

channels and divides derived from a 400x400m DTM and from main "blue-lines" of 1:250 000 topographic map ... : [1:300 000 approx.] : channels and divides derived from "gridded" main blue-lines of 1:250 000 map, and a 400x400 DTM, respectively ... : [1:300 000 approx.]