introduction to the design of underground openings for defense
By: edited by LeRoy W. Goodwin.
Contributors: Goodwin, LeRoy W.
Series: Quarterly of the Colorado School of Mines -- vol.46, no.1; Quarterly (Colorado School of Mines) -- vol.46, no.1.
Publisher: Colorado School of Mines
Published: 1951
Place of publication: Golden,Col
Language: eng