15 Sectional Meeting of the World Power Conference
Bemposta : aproveitamento hidroeléctrico do Douro Internacional
Huitième Congrès International des Grands Barrages
14 Sectional Meeting of the World Power Conference
Hydraulique et usines hydrauliques / M. Arnould
Water power development : Low-Head power plants. Vol. I / Emil Mosonyi
Water Power Development / Emil Mosonyi