26e Congrès International de Navigation: navigation intérieure, Bruxelles - juin 1985 = 26th International Navigation Congress, Brussels - June 1985: inland navigation
(1985). 26e Congrès International de Navigation: navigation intérieure, Bruxelles - juin 1985 = 26th International Navigation Congress, Brussels - June 1985: inland navigation. PIANC = AIPCN: Brussels. 5 vol. pp.
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