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J.F. Barbero, G.A. Mena and
              E.J.S. Villaseñor
              "Particles and vacuum for perturbative and
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              Physical Review D 70, 044028 (2004) [arXiv:gr-qc/0406087]
             
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J.F. Barbero, G.A. Mena and
              E.J.S. Villaseñor
              "Asymptotic analysis of field commutators for
              Einstein-Rosen gravitational waves"
              Journal of Mathematical Physics 45, 3498-3532
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J.F. Barbero, G.A. Mena and
              E.J.S. Villaseñor
              "Quantum cylindrical waves and sigma
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              International Journal of Modern Physics D 13,
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J.F. Barbero, G.A. Mena and
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              "Time uncertainty in quantum gravitational
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              Physical Review D 69, 044017 (2004) [arXiv:gr-qc/0311073]
             
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J.F. Barbero, G.A. Mena and
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              "Quantized cylindrical gravitational waves and
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              Gravitational radiation. Edited by J.A.
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J.F. Barbero, G.A. Mena and
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              "Cylindrical waves and time uncertainty in
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              Gravitational radiation. Edited by J.A.
              Miralles, J.A. Font, and J.A. Pons. (Servicio de
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              2004).
             
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J.F. Barbero, G.A. Mena and
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              "Asymptotic analysis of quantum light cones for
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              Proceedings of the XII Fall Workshop on Geometry
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J.F. Barbero, G.A. Mena and
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              Publicaciones de Real Sociedad Matemática Española
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J.F. Barbero, G.A. Mena and
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L.L. Bonilla, A. Carpio and
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              Simplicity, Rigor and Relevance in Fluid
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A. Carpio and L.L. Bonilla
              "Atomic models of dislocations and their motion in
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              European Congress on Computational Methods in
              Applied Sciences and Engineering ECCOMAS 2004,
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A. Carpio, I. Plans and L.L.
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              "Atomic models of dislocations for Si and
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              European Congress on Computational Methods in
              Applied Sciences and Engineering ECCOMAS 2004,
              Jyväskylä, 24-28 July 2004.. Edited by P.
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S.-C. Chang, J.L. Jacobsen, J.
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              Journal of Statistical Physics 114, 763-823
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R. Escobedo, L.L. Bonilla and
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              "Free boundary problems describing two-dimensional
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              Progress in Industrial Mathematics at ECMI
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T. Goudon, O. Sánchez, J.
              Soler and L.L. Bonilla
              "Low-field limit for a nonlinear discrete
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              SIAM Journal on Applied Mathematics 64,
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F. Guinea, R.S. Markiewicz and
              M.A.H. Vozmediano
              "Superconductivity in electron-doped cuprates: Gap
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              Physical Review B 69, 054509 (2004) [arXiv:cond-mat/0206208]
             
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A.D. Kim and M. Moscoso
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              Optics Letters 29, 74-76 (2004)
             
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A.D. Kim and M. Moscoso
              "Beam propagation in sharply peaked forward
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              Journal of the Optical Society of America A
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L. L. Bonilla
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              Physica D 199, 105-114 (2004) [arXiv:cond-mat/0412164]
             
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A. Perales, L.L. Bonilla and
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              "Miniband transport and oscillations in
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              Nanotechnology 15, S229-S233 (2004)
             
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P. Romero and J.M. Gambi
              "Optimal control in the east/west station keeping
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              Aerospace Science and Technology 8, 729-734
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O. Sánchez, L.L. Bonilla and
              J. Soler
              "Random domain-relocation times in semiconductor
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              Progress in Industrial Mathematics at ECMI
              2002. Edited by A. Buikis, R. Ciegis and A.D.
              Fitt. Mathematics in Industry 5. Pages 159-164
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B. Valenzuela, and M.A.H.
              Vozmediano
              "Anisotropic transport in the overdoped High-Tc
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M.A.H. Vozmediano, M.P.
              López-Sancho, and F. Guinea
              "Interactions, disorder and local defects in
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              Journal of Physics and Chemistry of Solids 67,
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