![](/img/cover-not-exists.png)
Estimation of the maximum roof span for initial sagging in permafrost ground
A. E. Sleptsov, V. Yu. IzaksonVolume:
23
Language:
english
Pages:
6
DOI:
10.1007/bf02506429
Date:
September, 1987
File:
PDF, 338 KB
english, 1987