Vytisknout
1. Current practices in monitoring and assessment of rivers and lakes
Current practices in monitoring and assessment of rivers and lakes / C. A. M. van Helmond, R. Hupkes, R. M. A. Breukel ; ed. Ministry of Transport, Public Works and Water Management, Lelystad . Lelystad : Ministry of Transport, Public Works and Water Management, 1996. 1 sv. (růz. stránkování)