1. Swift J (1726) Gulliver’s travels.
https://www.planetebook.com/ebooks/Gullivers-Travels
. Accessed 30 Dec 2018
2. Galofré-Vilà G, Hinde A, Guntupalli A (2017) Heights across the last 2000 years in England. University of Oxford discussion paper in economic and social history. No 151, January 2017.
https://www.economics.ox.ac.uk/materials/working_papers/2830/151-final.pdf
. Accessed 30 Dec 2018
3. Quetelet AD (1869) Physique sociale. C. Muquardt, Bruxelles
4. Kleiber M (1932) Body size and metabolism. Hilgardia 6:315–353
5. Mitchell M (2009) Complexity. A guided tour. Oxford International Press, Oxford