TY  - BOOK
AU  - Tang , X-M.
AU  - A.Cheng
TI  - Quantitative borehole acoustic methods
SN  - 0080440517
U1  - 551.22 TAN 
PY  - 2004///
CY  - Amsterdam
PB  - Elsevier
N1  - Includes bibliographical references
ER  -