Muñoz, Lucio, 2010.  Nationalization as Privatization in Reverse: Understanding the Nature of the Commons to Identify a Possible Point of Optimal Nationalization, Journal of Sustainability, Issue 3, Number 1(Summer), Rio Rancho, New Mexico USA.

https://www.researchgate.net/publication/281244564_Nationalization_as_Privatization_in_Reverse_Understanding_the_Nature_of_the_Commons_to_Identify_a_Possible_Point_of_Optimal_Nationalization