"Biomedizinische Technik/Biomedical Engineering", 2.2 (1957): 34-64. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-2/issue-files/bmte.1957.2.issue-2.xml

Biomedizinische Technik/Biomedical Engineering (1957), 2(2), pp. 34-64. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-2/issue-files/bmte.1957.2.issue-2.xml

Biomedizinische Technik/Biomedical Engineering. 1957. 2(2): 34-64. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bmte.1957.2.issue-2/issue-files/bmte.1957.2.issue-2.xml