TY  - BOOK
AU  - Lianyang, Zhang
TI  - Drilled shafts in rock: analysis and design 
SN  - 9058096505
PY  - 2004///
CY  - London, UK
PB  - A. A. Balkema
KW  - Rock mechanics
KW  - Rock-drills
N1  - Includes bibliographical references and index
ER  -