Verhey, H. J. <br/><br/>
Ship waves and the stability of armour layers protecting sl-opes / H.J. Verhey and M. P. Bogaerts. 

 - Delft, Holanda : Delft Hydraulics 
 - 12 p. 
 - Publication; No. 428 / Delft Hydraulics. .
<br/><br/> "Paper presented at the 9th International Harbour Congress -Antwerp, Belgium, 20-24 June 1989".