Z-5944/I
Breukel, R. M. A
Transboundary rivers and international lakes / R. M. A. Breukel, J. G. Timmerman ; ed. Ministry of Transport, Public Works and Water Management, Lelystad. -- Lelystad : Ministry of Transport, Public Works and Water Management, 1996. -- 54 s., 2 listy vol. m. příl. -- (Working programme 1994/1995; Vol. 1).
Timmerman, J. G. Ministry of Transport, Public Works and Water Management (Lelystad)
jezera. řeky. Evropa
556.55. 504.455.06. 556.53