Сноски

1

Брайсон Б. Краткая история почти всего на свете / Пер. В. Михайлова. М.: Гелеос, 2007.

2

Peggy Rinard. University of Minnesota biologists replicate key evolutionary step. University of Minnesota. [В интернете] 17 January 2012. http://discover.umn.edu/news/science-technology/university-minnesota-biologists-replicate-key-evolutionary-step.