1950 directory of the american institute of mining and metallurgical engineers :
1950 directory of the american institute of mining and metallurgical engineers : List of membersm officers, divisions, local sections, student chapters, committees
- # corr. to may 15, 1950
- 465 páginas
A la cabeza de la portada: mining engineering, november, 1950, vol. 187, no. 11 in two sections - sections 2 "founded 1871"
Ingeniería--Directorios
TA12 / M55 1950
A la cabeza de la portada: mining engineering, november, 1950, vol. 187, no. 11 in two sections - sections 2 "founded 1871"
Ingeniería--Directorios
TA12 / M55 1950