Water in the unsaturated zone = beau dans la zone non sature :  proceedings of the Wageningen Symposium / 
edited by P.E. Rijtema & H. Wassink. 
 - [Belgium] :  International Association of Scientific Hydrology,  1968. 
 - v. 2 :  ill., maps. 
 - Studies and reports in hydrology ;  no. 83 AISH. .
 - Publication ... de l'Association internationale d'hydrologie scientifique ;  no. 83 .
<br/><br/> Organized by Unesco and the Government of the Netherlands, in cooperation with the Food and Agricultural Organization of the United Nations, International Association of Scientific Hydrology, and the International Society of Soil Science.  Text in English & French. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil moisture.<br/>Groundwater.