Hickerson, T. F. (1953). Route location and surveying (3rd ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleHickerson, Thomas Felix. Route Location and Surveying. 3rd ed. New York: McGraw-Hill, 1953.
Παραπομπή MLAHickerson, Thomas Felix. Route Location and Surveying. 3rd ed. New York: McGraw-Hill, 1953.
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