The effect of pit temperature on the efficiency of roof bolting in permafrost
G. D. Babe, É. A. Bondarev, M. A. Kanibolotskii, V. N. SkubaVolume:
9
Language:
english
Pages:
3
DOI:
10.1007/bf02501180
Date:
July, 1973
File:
PDF, 134 KB
english, 1973