[1] Barrera, P., Castellanos, L., Ojeda, R. and Pérez, A. [1991] A New Discrete Functional for Grid Generation in Advances in Numerical partial differential equations and optimization: Proceedings of the Fifth Mexico--United States Workshop on Optimization, Gómez, S, Hennart, J.P. and Tapia R.A., eds., SIAM, pp. 185--197.

[2] Barrera, P., and Domínguez, F., [1992] Curvilinear coordenate system for planar grid generation. UNAM internal reports.

[3] Barrera, P., Castellanos, L. y Pérez, A. [1993]. Curvilinear Coordinate System Generation over plane irregular regions. Vínculos Matemáticos, Departamento de Matemáticas, Facultad de Ciencias, UNAM, México.

[4] Barrera, P., Castellanos, L. y Pérez, A. [1994]. Métodos Variacionales Discretos para la Generación de Mallas. Proyecto DO-104993 UNAMALLA, DGAPA-UNAM, MEXICO

[5] Barrera, P. y Castellanos, L. [1994] Métodos de Optimización a Gran Escala para el Problema de Generación de Redes Optimas. Proyecto DO-104993 UNAMALLA, DGAPA-UNAM, MEXICO.

[6] Barrera, P., González, G., Castellanos, L., y Pérez, A. [1994] Manual de Usuarios del Sistema UNAMALLA: Generación de Mallas Planas sobre Regiones Irregulares.. Proyecto DO-104993 UNAMALLA, DGAPA-UNAM, MEXICO.

[7] Barrera, P., González, G., Rivera, A., y Ugalde, I. [1997] Generación de Mallas en Regiones Planas Irregulares usando Métodos Variacionales Contínuos. Vínculos Matemáticos No. 222, Departamento de Matemáticas, Facultad de Ciencias, UNAM, México, 1997.

[8] Barrera, P. and Tinoco, G. [1997]. Smooth and Convex Grid Generation over General Plane Regions. Preprint submitted to Elsevier Science Publisher.

[9] Barrera, P. and Tinoco, G. [1997]. New functionals to solve the Grid Generation to appear.

[10] Barrera, P. and Tinoco, G. [1998]. Area control in Generating Smooth and Convex Grid over General Plane Regions Preprint submitted to Elsevier Science Publisher.

[11] Barrera, P. and Tinoco, G. [1998]. Area Functional in Plane Grid Generation. Proccedings of the 6th. International Conference on Numerical Grid Generation in Computational Field Simulation. Avery Village, Londres.

[12] Barrera, P., Domínguez, F., and González, G., [2000]Some experiences on orthogonal grid generation. Proceedings of the 9th International Meshing Roundtable.

[13] Barrera, P., Domínguez, F and González, G., [2001]. Variational Grid Generation Using Exponentials of Area. Proccedings of the 10th International Meshing Roundtable, Sandia National Laboratories, pp.111-119.

[14] Barrera, P., Tinoco, G., and Cortes, A., [2001]. Some Properties of Area Functionals in Numerical Grid Generation. Proccedings of the 10th International Meshing Roundtable, Sandia National Laboratories, pp.43-54.

[15] Barrera, P., Domínguez, F and González, G., [2002]. Some experiences on orthogonal grid generation. Applied Numerical Mathematics,vol.40 No.1-2 pp.170-190.

[16] Barrera, P., Domínguez, F., and González, G., [2002]. Applied Numerical Mathematics. Submitted to Elsevier Science Publisher.

[17] Barrera, P., Domínguez, F., and González, G., [2002]Robust Discrete Grid Generation on Plane Irregular Regions. Grid Generation: Theory and Applications, institucion que la publica Russian Academy of Sciencies, Computing Centre, pp. 177-194.

[18] Barrera, P., Domínguez, F., and González, G., [2003] Robust Discrete Grid Generation. Computational Mathematics and Mathematical physics, 43 No. 6 pp. 845-853

[19] Barrera, P., Castellanos, L., Domínguez, F.,González, G., and Pérez, A. [2007]. Adaptive Discrete Harmonic Grid Generation. Submitted to Mathematics and Computers in Simulation.