Barragán, J. and Sánchez, S. 2012. Margalef Principle and Kleiber Law: its consistency with the second law of thermodynamics, and the natural drift. Investigación y Ciencia de la Universidad Autónoma de Aguascalientes. 54 (Apr. 2012), 17–21. DOI:https://doi.org/10.33064/iycuaa2012544072.