Knaap, F.C.M. Van Der. <br/><br/>
Design criteria for geotextiles beyond the sandtightness re-quirement / F.C.M. Van Der Knaap , M. Klein Breteler and T-. Van Der Meulen. 

 - Delft, [Holanda] : Delft Hydraulics Laboratory 
 - 6 p. 
 - Delft Hydraulics Communication no. 358 .