"Hoppe-Seyler´s Zeitschrift für physiologische Chemie", 269.1 (1941): 1-59. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm2.1941.269.issue-1/issue-files/bchm2.1941.269.issue-1.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie (1941), 269(1), pp. 1-59. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm2.1941.269.issue-1/issue-files/bchm2.1941.269.issue-1.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie. 1941. 269(1): 1-59. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm2.1941.269.issue-1/issue-files/bchm2.1941.269.issue-1.xml