Z-5944/III
Knoben, R. A. E
Biological assessment methods for watercourses / R. A. E. Knoben, C. Roos, M. C. M. van Oirschot ; ed. Ministry of Transport, Public Works and Water Management, Lelystad. -- Lelystad : Ministry of Transport, Public Works and Water Management, 1995. -- 86 s. -- (Working programme 1994/1995; Vol. 3).
Roos, C.. Van Oirschot, M. C. M. Ministry of Transport, Public Works and Water Management (Lelystad)
hydrologie. vodní toky
556.08. 556.167. 556.5