@ARTICLE\{IMM2000-0412,
    author       = "M. H. Bakr and J. W. Bandler and K. Madsen and J. S{\o}ndergaard",
    title        = "Space Mapping Optimization of Microwave Circuits Exploiting Surrogate Models",
    year         = "2000",
    pages        = "2297-2306",
    journal      = "{IEEE} Transaction on Microwave Theory and Techniques",
    volume       = "48",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/412-full.html"
}