1. Symposium on Underground Rock Chambers; ]papers[
پدیدآورنده : Symposium on Underground Rock Chambers, 1791, Phoenix, Ariz.
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Underground areas-- Congresses,، Tunnels-- Congresses,، Rock mechanics-- Congresses
رده :
TA
712
.
S92
1971
