@inproceedings{WinotoMorbachUlrichsMuellerRuchholtz1991,
  author    = {S. Winoto-Morbach and Karin Ulrichs and W. M{\"u}ller-Ruchholtz},
  title     = {New Developments in Biodegradable Microspheres For Magnetic Separation Techniques},
  year      = {1991},
}