Guidelines on the study of seawater intrusion into rivers / 
prepared for the International Hydrological Programme by the Working Group of Project 4.4b (IHP-III) ; editor, H. van der Tuin 
 - Paris :  Unesco,  1991 
 - 138 p. :  ill. ;  30 cm. 
 - Studies and report in hydrology ;  50 .
 - Studies and report in hydrology ;  50 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9231027654 
<br/><br/><label>LCCN: </label>92-142640 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Saltwater encroachment<br/>Rivers