@PHDTHESIS{Luengo2004,
  author = {Luengo Hendriks, C. L.},
  title = {Structure Characterization Using Mathematical Morphology},
  school = {Delft University of Technology},
  year = {2004},
  address = {Delft, The Netherlands},
  url = {http://www.qi.tnw.tudelft.nl/Publications/phd_theses.html}
}