. . . "Determination of the Manning co-efficient from measured bed roughness in natural channels : studies of flow in alluvial channels"@en . . . . . . "Determination of the Manning coefficient from measured bed roughness in natural channels" . "Determination of the Manning coefficient from measured bed roughness in natural channels"@en . . . . . "Determination of the manning coefficient from measured bed roughness in natural channels" . . . . . . . . "Ríos Caudal Medición." . .