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Improving drilling and blasting operations in tunnels of large cross section
A. I. Lager', Yu. V. Myasnichenko, V. N. Mishin, U. I. Godzhiashvili, V. A. ShedaniyaVolume:
5
Language:
english
Pages:
3
DOI:
10.1007/bf02378028
Date:
March, 1971
File:
PDF, 170 KB
english, 1971