DERE.D.U
ENGINEERING CLASSIFICATION AND INDEX PROPERTIES FOR INTACT ROCK - URBANA UNIVERSITY OF ILLINOIS 1966 - 28X21 - AIRFORCE WEAPONS LABORATORY, TR.65-116 .
624.152 D431
ENGINEERING CLASSIFICATION AND INDEX PROPERTIES FOR INTACT ROCK - URBANA UNIVERSITY OF ILLINOIS 1966 - 28X21 - AIRFORCE WEAPONS LABORATORY, TR.65-116 .
624.152 D431