Henderson, H. C. <br/><br/>
Computer aided spillway design using the boundary element m-ethod and non - linear programming / H. C. Henderson, M. Ko-k, and W. L. de Koning. 

 - Delft, Holanda : Delft Hydraulics 
 - 26 p. 
 - Publication; No. 430 / Delft Hydraulics. .
<br/><br/> "Also published as reports of the Faculty of technical Math-ematics and Informatics No. 88-59, Delft, Delft University -of Technology, 1988."