Note 5 — Chapter XI · AIR CRAFT IN THE STUDY OF ROCKS AND ORES (Fig. 53)
Reading edition
Eric Mjöberg: A Proposed Aërial Expedition for the Exploration of the Unknown Interior of New Guinea, Geogr. Rev., Vol. 3, 1917, pp. 89-106.
Reading edition
Eric Mjöberg: A Proposed Aërial Expedition for the Exploration of the Unknown Interior of New Guinea, Geogr. Rev., Vol. 3, 1917, pp. 89-106.