"Biomedizinische Technik/Biomedical Engineering", 2.8 (1957): 225-256. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-8/issue-files/bmte.1957.2.issue-8.xml

Biomedizinische Technik/Biomedical Engineering (1957), 2(8), pp. 225-256. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-8/issue-files/bmte.1957.2.issue-8.xml

Biomedizinische Technik/Biomedical Engineering. 1957. 2(8): 225-256. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-8/issue-files/bmte.1957.2.issue-8.xml