TY  - SER
ED  -  Tanzania.
TI  -  Hydrological yearbook / 
PY  - 1950///-
CY  -  Dar es Salaam : 
PB  -  Library Photographic Unit , 
KW  -  Hydrology
KW  -  Tanzania
KW  -  Periodicals
KW  -  Meteorology
ER  -