Villholth <br/><br/>
Field investigations of preferential flow behaviour 
Karen Villholth,  Karsten Hogh Jensen and Johnny Fredericia 
 - Copenhagen  Ministry of Environment  1990 
 - 32 p.  ill.  24 cm 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>8750387545