TY  - BOOK
AU  - Alam, A. M. Z.
AU  - Cheyer, T. F., coaut.Kennedy, John F., coaut.
TI  - Friction factors for flow in sad - bed channels / by A.M.Z.- Alam, T. F. Cheyer and John F. Kennedy
CY  - Cambridge, Mass. : tory, Department of Civil Engineering
ER  -