1
Morris PJR, Hartl HUDL, Knoll PAH, et al. Biology: How Life Works. 2 ed. W. H. Freeman 2015.
2
Jones AM, Reed R, Weyers JDB. Practical skills in biology. 5th ed. Harlow: : Pearson 2012.
3
Kay I, NetLibrary, Inc. Introduction to animal physiology. Oxford: : BIOS Scientific Publ 1998. http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=53925
4
Cain ML, Bowman WD, Hacker SD. Ecology. Third edition. Sunderland, Massachusetts, U.S.A.: : Sinauer Associates 2014.
5
The Surtsey Research Society. https://english.surtsey.is/
