TY  - BOOK
AU  - Lewis, David C.
AU  - Beard, Leo R., coaut.
ED  - E.U.A. Army Corps of Engineers, Hydrologic Engineering C.
TI  - Systems analysis of the Panama Canal water supply / by Davi-d C. Lewis and Leo R. Beard
CY  - Davis, California : Army Corps of Engineers, Hydrologic Engineering Center
ER  -