Συλλογικό Έργο:	Rapid Excavation and Tunneling Conference (Proceedings) Las Vegas, Nevada), American Institute of Mining, Metallurgical, and Petroleum Engineers. American Society of Mining Engineers
Άλλοι συγγραφείς:	Robbins, Richard J., Conlon, Robert J.
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	New York, NY : American Institute of Mining, Metallurgical, and Petroleum Engineers, c1976
Θέματα:	Underground construction > Congresses Tunneling > Congresses Excavation > Congresses