[1]
P. J. R. Morris, H. U. D. L. Hartl, P. A. H. Knoll, and P. R. A. Lue, Biology: How Life Works, 2 ed. W. H. Freeman, 2015.
[2]
A. M. Jones, R. Reed, and J. D. B. Weyers, Practical skills in biology, 5th ed. Harlow: Pearson, 2012.
[3]
I. Kay and NetLibrary, Inc, Introduction to animal physiology. Oxford: BIOS Scientific Publ, 1998 [Online]. Available: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=53925
[4]
M. L. Cain, W. D. Bowman, and S. D. Hacker, Ecology, Third edition. Sunderland, Massachusetts, U.S.A.: Sinauer Associates, 2014.
[5]
‘The Surtsey Research Society’. [Online]. Available: https://english.surtsey.is/