"Review of Network Economics", 11.1 (2012): -. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/rne.2012.11.issue-1/issue-files/rne.2012.11.issue-1.xml

Review of Network Economics (2012), 11(1), pp. -. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/rne.2012.11.issue-1/issue-files/rne.2012.11.issue-1.xml

Review of Network Economics. 2012. 11(1): -. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/rne.2012.11.issue-1/issue-files/rne.2012.11.issue-1.xml