"Frequenz", 60.9-10 (2006): 162-204. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/freq.2006.60.9-10/issue-files/freq.2006.60.9-10.xml

Frequenz (2006), 60(9-10), pp. 162-204. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/freq.2006.60.9-10/issue-files/freq.2006.60.9-10.xml

Frequenz. 2006. 60(9-10): 162-204. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/freq.2006.60.9-10/issue-files/freq.2006.60.9-10.xml