Eyvind Kristensen, Carl Erik Schou Larsen, Niels C. Kyvsgaard, Jørgen Madsen and Jørgen Henriksen  2004: Livestock Production - The twenty first century's food revolution. (Discussion Paper on the donor community's role in securing a poverty oriented commercialization of livestock production in the developing world). Livestock Research for Rural Development, Vol. 16, Art. #1. Retrieved , from http://www.lrrd.org/lrrd16/1/kris161.htm