@MASTERSTHESIS\{IMM1999-01441,
    author       = "P. B. S{\o}rensen",
    title        = "Segmentation of fundus images",
    year         = "1999",
    school       = "Informatics and Mathematical Modelling, Technical University of Denmark",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby, Denmark",
    type         = "",
    note         = "not publicly available",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1441-full.html",
    isbn_issn    = "IMM-MSC-15-1999"
}