TY  - BOOK
AU  - Beck B F Ed.
ED  - Conference on sinkholes: Their geology, engineering and environmental impact (1984 : Boston)
TI  - Proceedings on sinkholes: Their geology, engineering and environmental impact
U1  - H42p1,N84, M4 
PY  - 1984///
CY  - Rotterdam
PB  - A A Balkama       
KW  -  Dynamic geology
KW  -  Elastodynamic
KW  - Geology
ER  -