TY  - BOOK
AU  - Singh,Bhawani
AU  - Goel,R.K.
TI  - Rock mass classification: a practical approach in civil engineering 
SN  - 0080430139
AV  - TA705 .S5364 1999
PY  - 1999///
CY  - Amsterdam, New York
PB  - Elsevier
KW  - Engineering geology
KW  - Rocks
KW  - Classification
N1  - Includes bibliographical references and indexes
UR  - http://www.loc.gov/catdir/enhancements/fy0602/99232835-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0602/99232835-t.html
ER  -