BERLEKOM, H. B. V. International courses in hydraulic and sanitary engineering: Rivers. Delft Netherland.
Lua i Stíl Chicago (17ú heag.)BERLEKOM, H.A. Berdenis Van. International Courses in Hydraulic and Sanitary Engineering: Rivers. [sl]: Delft Netherland.
Lua MLA (9ú heag.)BERLEKOM, H.A. Berdenis Van. International Courses in Hydraulic and Sanitary Engineering: Rivers. Delft Netherland.
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