De Jonge, V.N. (1992). Tidal flow and residual flow in the Ems estuary, in: De Jonge, V.N. Physical processes and dynamics of microphytobenthos in the Ems estuary (The Netherlands). pp. 23-41
In: De Jonge, V.N. (1992). Physical processes and dynamics of microphytobenthos in the Ems estuary (The Netherlands). Ministry of Transport, Public Works and Water Management: The Hague. ISBN 90-369-0112-X. 176 pp., meer