@article{García-Romeo:78000,
      author        = "García-Romeo, D. and Calvo, B. and Medrano, N. and Pina,
                       M.P. and Almazán, F. and Pellejero, I. and Urbiztondo, M.
                       and Sesé, J. and Santamaría, J",
      title         = "{Portable lock-in amplifier for microcantilever based
                       sensor array. Application to explosives detection using
                       Co-BEA type zeolites as sensing materials}",
      year          = "2014",
}