Vermeulen, C.J.M. <br/><br/>
Flood early warning system / C.J.M. Vermeulen. 

 - Delft, Holanda : Delft Hydraulics 
 - 15 p. 
 - Publication; No. 438 / DElft Hydraulics. .
<br/><br/> "Paper presented at the Conference Flood Protection of Prag-ue, Prague, Czechoslovakia, September 4-6, 1990".