On the negative phase shift of groundwater tides near shallow ti dal rivers

On the negative phase shift of groundwater tides near shallow tidal rivers : the Gouderak anomaly / by C. Maas and W.J. de Lange [Ministry of Transport and Public Works], Rijkswaterstaat, Institute for Inland Water Management and Waste Water Treatment = Ministerie van Verkeer en Waterstaat, Rijkswaterstaat, Dienst Binnenwateren/ RIZA. - Lelystad : RWS, DBW, 1987. - [17] p. : c., diagr., fig. ; 24 cm. - (D.B.W./RIZA reprint ; 017) Reprint from: Journal of Hydrology (92) 1972, p. 333-349. - Ref.