Bibtex entry: The nonlinear directional coupler: an analytic solution in ccm.bib
@Article{VilelaMendes04,
  Title                    = {The nonlinear directional coupler: an analytic solution},
  Author                   = {Vilela Mendes, R.~},
  Journal                  = {Optics Communications},
  Year                     = {2004},
  Number                   = {1-6},
  Pages                    = {425--427},
  Volume                   = {232},
  Bdsk-url-1               = {http://www.sciencedirect.com/science/article/B6TVF-4BBV1YS-7/2/31ffbbae7093bb7a2a6bf6d4af7ec3bd},
  Ccm-nr                   = {90a/04},
  Date-added               = {2008-10-31 16:43:57 +0000},
  Date-modified            = {2008-10-31 16:43:57 +0000},
  Keywords                 = {Nonlinear directional coupler},
  Ty                       = {JOUR},
  Url                      = {http://www.sciencedirect.com/science/article/B6TVF-4BBV1YS-7/2/31ffbbae7093bb7a2a6bf6d4af7ec3bd}
}