TY  - BOOK
AU  - Fredrich, Augustine J.
AU  - Hawkins, Edward F., coaut.
ED  - E.U.A. Army Corps of Engineers, Hydrologic Engineering C.
TI  - Hydrologic engineering techniques for regional water resour-ces planning / by Augustine J. Fredrich and Edward F. Hawki-ns
CY  - Davis, California : Army Corps of Engineers, Hydrologic Engineering Center
ER  -