"Botanica Marina", 22.7 (1979): 413-476. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/botm.1979.22.issue-7/issue-files/botm.1979.22.issue-7.xml

Botanica Marina (1979), 22(7), pp. 413-476. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/botm.1979.22.issue-7/issue-files/botm.1979.22.issue-7.xml

Botanica Marina. 1979. 22(7): 413-476. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/botm.1979.22.issue-7/issue-files/botm.1979.22.issue-7.xml