"Hoppe-Seyler´s Zeitschrift für physiologische Chemie", 25.1-2 (1898): 1-164. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm2.1898.25.issue-1-2/issue-files/bchm2.1898.25.issue-1-2.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie (1898), 25(1-2), pp. 1-164. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm2.1898.25.issue-1-2/issue-files/bchm2.1898.25.issue-1-2.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie. 1898. 25(1-2): 1-164. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/bchm2.1898.25.issue-1-2/issue-files/bchm2.1898.25.issue-1-2.xml