TY  - BOOK
AU  - Kirkaldie,Louis
ED  - ASTM Committee D-18 on Soil and Rock.
ED  - Symposium on Rock Classification Systems for Engineering Purposes
TI  - Rock classification systems for engineering purposes
T2  - STP
SN  - 0803109881
PY  - 1988///
CY  - Philadelphia, PA
PB  - ASTM
KW  - Rocks
KW  - Classification
KW  - Engineering geology
N1  - Papers from the Symposium on Rock Classification Systems for Engineering Purposes, held in Cincinnati, Ohio, June 25, 1987, and sponsored by ASTM Committee D-18 on Soil and Rock; "ASTM publication code number (PCN) 04-984000-38."
ER  -