TY - SER ED - Colorado School of Mines (Estados Unidos) TI - Quarterly of the Colorado School of Mines: an introduction to the design of underground openings for defense SN - 0010-1753 U1 - 622.08 PY - 1906///-1977 CY - KW - Ingeniería de minas KW - Publicaciones periódicas KW - Minas KW - Canadá KW - Geología N1 - En biblioteca: volume 46, number 1. January 1951; Coal abstracts; 0309-4979; GeoRef; 0197-7482; Computer & control abstracts; 0036-8113; April 1968-1978; Electrical & electronics abstracts; 0036-8105; April 1968-1978; Physics abstracts. Science abstracts. Series A; 0036-8091; April 1968-1978; Chemical abstracts; 0009-2258; Engineering index annual; 0360-8557; Engineering index monthly; 0013-7960; Nuclear science abstracts; 0029-5612 ER -