@misc{colijn_ferry_boxes_2011, 
author={Colijn, F.},
title={Ferry Boxes - Vessels of opportunity},
year={2011},
howpublished = {conference lecture (invited): Bruessel (B);},
note = {Colijn, F.: Ferry Boxes - Vessels of opportunity. 5th Meeting of the Expert Group of Marine Research Infrastructure. Bruessel (B), 2011.}}