Status and trends of research in hydrology, 1965-74. A contribution to the International Hydrological Decade.   

 - Paris :   UNESCO ,   1972. 
 - 148p. ;    24 cm. 
 - Studies and reports in hydrology ;   no. 10. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology --Research.------