New York : American Institute of Mining and Metallurgical Engineers, 1949 .
v. : , Depósito. 28,5 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1949 .
v. : 28,5 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1940 .
v. : , Depósito. 23 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1939 .
v. : , Depósito. 29,5 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1949 .
v. : , Depósito. 28,5 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1941 .
v. : 23 cm.

New York : American Institute of Mining and Metallurgical Engineers, 1947 .
v. : 23 cm.