User:Clara.santamaria/sandbox/References

Bale, R., Hao, M., Bhalla, A. P. S., & Patankar, N. A. (2014). Energy efficiency and allometry of movement of swimming and flying animals. Proceedings of the National Academy of Sciences of the United States of America, 111(21), 7517. doi:10.1073/pnas.1310544111
Droser, M. L., & Gehling, J. G. (2015). The advent of animals: The view from the ediacaran. Proceedings of the National Academy of Sciences of the United States of America, 112(16), 4865. doi:10.1073/pnas.1403669112
Kil, D. Y., & Swanson, K. S. (2011). Companion animals symposium: Role of microbes in canine and feline health. Journal of Animal Science, 89(5), 1498. doi:10.2527/jas.2010-3498
Loughnan, S., Bastian, B., & Haslam, N. (2014). The psychology of eating animals. Current Directions in Psychological Science, 23(2), 104-108. doi:10.1177/0963721414525781
Morris, C. L., Grandin, T., & Irlbeck, N. A. (2011). Companion animals symposium: Environmental enrichment for companion, exotic, and laboratory animals. Journal of Animal Science, 89(12), 4227. doi:10.2527/jas.2010-3722
Ollerton, J., Winfree, R., & Tarrant, S. (2011). How many flowering plants are pollinated by animals? Oikos, 120(3), 321-326. doi:10.1111/j.1600-0706.2010.18644.x
Weighing extinct animals.(DINOSAURS)(brief article). (2012). Nature, 486(7402), 160.
Monamy, Vaughan l (2009). Animal Experimentation. A Guide to the Issues. Cambridge: Cambridge University Press. p. 116. ISBN 9780511801808.

^ Tsui, Eric Bale, R., Hao, M., Bhalla, A. P. S., & Patankar, N. A. (2014). "Energy efficiency and allometry of movement of swimming and flying animals". Proceedings of the National Academy of Sciences of the United States of America. 111 (21): 7517. {{cite journal}}: |access-date= requires |url= (help)CS1 maint: multiple names: authors list (link)
^ "Oxford Dictionaries Online". W Miller. Retrieved April 12, 2016.
^ Monamy, Vaughan l (2009). Animal Experimentation. A Guide to the Issues. Cambridge: Cambridge University Press. p. 116. ISBN 9780511801808.