Bell, F. C. (1968). Estimating design floods from extreme rainfall. Colorado State University.
Lua i Stíl Chicago (17ú heag.)Bell, F. C. Estimating Design Floods from Extreme Rainfall. Fort Collins, Colorado: Colorado State University, 1968.
Lua MLA (8ú heag.)Bell, F. C. Estimating Design Floods from Extreme Rainfall. Colorado State University, 1968.
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