Beukema, J.J. (1974). The efficiency of the Van Veen grab compared with the Reineck box sampler. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 35(3): 319-327. https://dx.doi.org/10.1093/icesjms/35.3.319, meer
Beukema, J. (1986). Eutrophication: reasons for satisfaction or concern?, in: Peet, G. (Ed.) The status of the North Sea Environment: Reasons for Concern, Proceedings of the 2nd North Sea Seminar 1986, Rotterdam, 1, 2, 3 October 1986: vol. 2. pp. 25-38, meer
Alle informatie in het Integrated Marine Information System (IMIS) valt onder het VLIZ Privacy beleid
