TY  - BOOK
AU  - KOFOED, OTTO
TI  - GEOSOUNDING PRINCIPLES 1
T2  - 0
SN  - 0-444-41690-0
U1  - 550 
PY  - 1979///
CY  - AMSTERDAM-U.S.A.
PB  - ELSEVIER SCIENTIFIC PUBLI
KW  - CIENCIAS PURAS
N1  - FIELD PROCEDURE-METHOD OF MEASURING
ER  -