TY  - BOOK
ED  - Conference on Water Resources
TI  - Proceedings of the fourth american water resources conference, november 18.22, 1968
AV  - HD1694.A1 C641968
PY  - 1968///
CY  - Urbana
PB  - American water resources association
KW  - Desarrollo de recursos hidrológicos
KW  - Estados Unidos
ER  -