TY  - BOOK
AU  - Gumenskii, Boris Mikhailivich,
AU  - Komarow, Nikolai Stepanovich
TI  - Soil drilling by vibration
AV  - TN279 G813
PY  - 1961///
CY  - New York
PB  - Consultants bureau
KW  - Tixotropía
KW  - Vibradores
KW  - Perforación a corona
ER  -