TY  - BOOK
ED  - Unesco.
ED  - World Meteorological Organization.
TI  - Hydrological maps: a contribution to the International Hydrological Decade
SN  - 9231012606
AV  - GB656 .H9
U1  - 551.4/8/0222 
PY  - 1977///
CY  - Paris
PB  - UNESCO
KW  - Hydrology
KW  - Maps
KW  - International Hydrological Decade, 1965-1974
N1  - Issued jointly with the World Meteorological Organization; Includes bibliographies
ER  -