"Hoppe-Seyler´s Zeitschrift für physiologische Chemie", 23.4-5 (1897): 311-504. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bchm2.1897.23.issue-4-5/issue-files/bchm2.1897.23.issue-4-5.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie (1897), 23(4-5), pp. 311-504. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bchm2.1897.23.issue-4-5/issue-files/bchm2.1897.23.issue-4-5.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie. 1897. 23(4-5): 311-504. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/bchm2.1897.23.issue-4-5/issue-files/bchm2.1897.23.issue-4-5.xml