@InProceedings{ernst98c,
  author =       {Erik Ernst},
  title =        {Syntax Based Modularization: Invasive or Not?},
  crossref =     {ASOCWS00},
}

@Proceedings{ASOCWS00,
  title =        {Position papers from the workshop on
                  Advanced Separation of Concerns, OOPSLA'00},
  year =         2000,
  editor =       {Peri Tarr and Lodewijk Bergmans and Martin Griss 
                  and Harold Ossher},
  publisher =    {Department of Computer Science, University of
                  Twente, The Netherlands}
  note =         {Electronic form 
                  (\url{http://trese.cs.utwente.nl/Workshops/OOPSLA2000/})}
}