Route-mapping and position-locating in unexplored regions,
Filchner, Wilhelm, 1877-1957.
Route-mapping and position-locating in unexplored regions, by Wilhelm Filchner, Erich Przybyllok [and] Toni Hagen. - New York : Academic Press : 1957. - 288 p. il. 25 cm.
bibliografía al final del volúmen.
Surveying.
Orientation.
agrimensura orientación
528.9
Route-mapping and position-locating in unexplored regions, by Wilhelm Filchner, Erich Przybyllok [and] Toni Hagen. - New York : Academic Press : 1957. - 288 p. il. 25 cm.
bibliografía al final del volúmen.
Surveying.
Orientation.
agrimensura orientación
528.9
