TY  - BOOK
ED  - United Nations Educational Scientific and Cultural Organization.
TI  - Textbooks on hydrology
U1  - 016.55148 
PY  - 1974///
CY  - Paris : 
PB  - UNESCO, 
KW  - Hydrology
KW  - Textbooks
N1  -  v. 1. Analyses and synoptic tables of contents of selected textbooks .--v. 2. Analyses of selected textbooks
ER  -