Rodrigue, J.-P.; Notteboom, T. (2013). Strategic maritime passages, in: Rodrigue, J.-P. et al. (Ed.) The geography of transport systems. pp. 30-41
In: Rodrigue, J.-P.; Comtois, C.; Slack, B. (Ed.) (2013). The geography of transport systems. Third edition. Routledge: London and New York. ISBN 978-0-415-82254-1. 411 pp., meer