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Mean and Bold?
Witte, Kristof De, (2007)
New aspects of mineral and water resources in the Netherlands : [a symposium entitled "Enkele nieuwe aspecten van delfstoffen in Nederland", The Hague on March 18th, 1972]
Sijp, J. W. C. M. van der, (1973)
Acque e agricoltura : Venezia, l'Olanda e la bonifica europea in età moderna
Ciriacono, Salvatore, (1996)