@MASTERSTHESIS{Fragemann2002diplom,
  author  = {Per Fragemann},
  title   = {Refactoring von UML-Modellen},
  school  = {Universität Hamburg, Fachbereich Informatik},
  year    = {2002},
  type    = {Diplomarbeit},
  address = {Vogt-Kölln-Str. 30, 22527 Hamburg, Germany},
  month   = {6}
}