Lomelí-Mejía., Pedro, José Alanis-Carbajal., Alfredo Cruz-Orea., and José L. Jiménez-Pérez. 2009. “Optical Absorption Coefficients of Biological Tissues Obtained by Photoacustic Spectroscopy”. Revista Mexicana De Ingenieria Biomedica 30 (1):5. http://rmib.mx/index.php/rmib/article/view/304.