TY  - BOOK
AU  - Powers, Judith
ED  - World Dredging Conference
TI  - Dredging: Progress in equipment and methods 
AV  - TC187 W67 1980
PY  - 1980///
CY  - Long beach, california
PB  - Symcon
KW  - Dragado
KW  - Congresos
N1  - "wodcon ix hosted by the western dredging association (weda) in cooperation with the central dredging association (ceda), held at the bayshore inn hotel vancouver, british columbia, canada"
ER  -