"Zeitschrift für physiologische Chemie", 2.1 (1879): 1-98. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm1.1879.2.issue-1/issue-files/bchm1.1879.2.issue-1.xml

Zeitschrift für physiologische Chemie (1879), 2(1), pp. 1-98. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm1.1879.2.issue-1/issue-files/bchm1.1879.2.issue-1.xml

Zeitschrift für physiologische Chemie. 1879. 2(1): 1-98. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm1.1879.2.issue-1/issue-files/bchm1.1879.2.issue-1.xml