Coal through the ages
de Howard Nicholas Eavenson · Publicada por primera vez en 1935
Materias
Ediciones (3)
- Coal through the ages (1939)
American Institute of Mining and Metallurgical Engineers · inglés
- Coal through the ages (1939)
Published for the Seeley W. Mudd Fund by the American Institute of Mining and Metallurgical Engineers · inglés
- Coal through the ages (1935)
inglés