"Zeitschrift für physiologische Chemie", 17.1 (1893): 1-90. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm1.1893.17.issue-1/issue-files/bchm1.1893.17.issue-1.xml

Zeitschrift für physiologische Chemie (1893), 17(1), pp. 1-90. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm1.1893.17.issue-1/issue-files/bchm1.1893.17.issue-1.xml

Zeitschrift für physiologische Chemie. 1893. 17(1): 1-90. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm1.1893.17.issue-1/issue-files/bchm1.1893.17.issue-1.xml