@article{Hit11, author = {Hitesh, G. and Kotzab, H. and Prockl, G.}, title = {Levels of Internationalization in the Container Shipping Industry : An As-sessment of the Port Networks of the Large Container Shipping Companies}, journal = {Journal of Transport Geography}, year = {2011}, volume = {19}, number = { 6}, doi = {}, pages = {1431-1442} }