TY  - BOOK
AU  - Butler, Dwain K. ed.
TI  - Near surface geophysics 
T2  - SEG Investigations in geophysics series, 13
SN  - 978-1-56080-130-6
PY  - 2005///
CY  -  Tulsa
PB  - SEG
KW  - Earth SurfaceGeophysicsSeismology
ER  -