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 
<br/><br/> A la cabeza de la portada: mining engineering, november, 1950, vol. 187, no. 11 in two sections - sections 2  "founded 1871" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería--Directorios
<br/><br/><label>LC Class. No.: </label>TA12  / M55 1950