1. C. Little , The Terrestrial Invasion. An Ecophysiological Approach to the Origins of Land Animals (Cambridge University Press, Cambridge, 1990).
2. C. Little , The Colonisation of Land. Origins and Adaptations of Terrestrial Animals (Cambridge University Press, Cambridge, 2009).
3. D. J. Randall , W. W. Burggren , A. P. Farrell , M. S. Haswell , The Evolution of Air Breathing in Vertebrates (Cambridge University Press, Cambridge, 2009).
4. A molecular palaeobiological exploration of arthropod terrestrialization
5. Improved heat tolerance in air drives the recurrent evolution of air-breathing