author = "Tomek, I. and Diaz, A. and Melster, R. and Silva, A. and
  Antunes, M. and Cahill, V. and Choukair, Z. and Fernadez, A. and
  Haarhr, M. and Jul, E. and Ohnishi, A. and Rodrigues, L. and
  Schmidt, E. and Tapus, C. and Wieczerzycki, W. and Zimmerman, D.",
  address = "Lisboa, Portugal",
  booktitle = "Object-Oriented Technology, ECOOP' 99 Workshop Reader",
  month = may,
  title = "Multi-user Object-Oriented Environments",
  editors = "Moreira, A. and Demeyer, S."
  series = "LNCS 1743",
  pages = "80-96",
  year = "1999",
  publisher = "Springer"