1. Contestability since the book;Baumol,1986
2. Monopole naturel, contestabilité et concurrence: Le cas du transport maritime de lignes regulières;Bunel,1988
3. The role of vertical integration in the shipping industry;Casson;Journal of Transport Economics and Policy,1986
4. Are changes in store for Shipping Act?;Container News;Container News,1988
5. Potential competition, actual competition and economic welfare;Dasgupta;European Economic Review,1988