/ Updating and editorial responsibility for the Final version provides by : Philip E. La Moreaux Betty Morere wilson, Beshir A. Memon
Paris
: Unesco
, 1984
345 p.
: ill.
; 30 cm
Studies and reports in hydrology
; 41
English
"Begun originally by a working group during the Internatonal Hydrological Decade. with the Technical seerestasiat provided by the food and Agriculture Organization"