Van Lancker, V. (2011). Influence of European Directives on monitoring, in: Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. pp. 91-104
In: (2011). Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. FOD Economie, KMO, Middenstand en Energie: Brussel. 171 pp., meer
