Guidelines on monitoring and assessment of transboundary groundwaters / 

 - Lelystad:  UN/ECE,  March, 2000. 
 - 64 p. : 
<br/><br/> Includes bibliography  , tables  , and color illustrations. 
<br/><br/><label>ISBN: </label>9036953154 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology<br/>guidelines monitoring and evaluation