TY  - BOOK
AU  - Vermeulen, C.J.M.
TI  - Flood early warning system / C.J.M. Vermeulen
CY  - Delft, Holanda : Delft Hydraulics
N1  - "Paper presented at the Conference Flood Protection of Prag-ue, Prague, Czechoslovakia, September 4-6, 1990"
ER  -