World rubber production and trade; economic and technical aspects, 1935-1939,
Gehlsen, Conrad August, 1889-
World rubber production and trade; economic and technical aspects, 1935-1939, by C.A. Gehlsen. - Rome, 1940. - 2 p. l., [vii]-xv, 191, [1] p. incl. 6 maps. 24 cm. - International institute of agriculture. Studies of the principal agricultural products on the world market no. 7 .
"Publication consulted": p. 95-96.
agr42000203
Rubber.
Rubber industry and trade.
HD9000.5 / .I6 no. 7
338.1082
World rubber production and trade; economic and technical aspects, 1935-1939, by C.A. Gehlsen. - Rome, 1940. - 2 p. l., [vii]-xv, 191, [1] p. incl. 6 maps. 24 cm. - International institute of agriculture. Studies of the principal agricultural products on the world market no. 7 .
"Publication consulted": p. 95-96.
agr42000203
Rubber.
Rubber industry and trade.
HD9000.5 / .I6 no. 7
338.1082