BibTeX
@ARTICLE{
         Maar2000IPM,
       author = "Bernd Maar and Volker Schulz",
       title = "Interior Point Multigrid Methods for Topology Optimization",
       journal = "Struct. Optim.",
       pages = "214--224",
       note = "Also appeared as IWR, University of Heidelberg Technical Report 98--57, 1998.",
       key = "Maar2000IPM",
       referred = "[Haase2001OSo].",
       year = "2000",
       volume = "19",
       number = "3"
}