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Water jets and rock hammers for tunnelling in the US and USSR : Cooley, WC Terraspace, Rockville, Maryland, USA Conference. 23F, 1T, 27R. Proc. 1ST N. Amer. Rapid Excav. Tunnelling Conf. Chicago, June 1972, AIME, V2, 1972, P1325–1360


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
114 KB
Volume
12
Category
Article
ISSN
0148-9062

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