TY  - BOOK
ED  - International Seminar for Hydrology Professors
ED  - U.S. National Science Foundation
TI  - The progress of hydrology: proceedings
U1  - 551.48 
PY  - 1969///
CY  - Urbana, Ill.
PB  - University of Illinois
KW  - HIDROLOGIA
KW  - CONGRESOS
N1  - v.1 New developements in hydrology. -- v.2 Specialiced hydrolic sujects -- v.3 Crologic education and discussions
ER  -