Martinez Perez Ph D, Luis Antonio (2) Perez, R L (2) Johnson, Jr., Uline, Cynthia L. (san Diego State University, Perez, Lynne G. (san Diego State University (1) Munoz-basols, Javier (the University Of Oxford, Perez Sinusia, Yolanda (universidad Carlos Iii (1) Perez, J A (1)