@Techreport{Agostini03tr7,
  author       = "A. Agostini and P. Avesani", 
  title        = "Advertising games for Web Services",
  institution  = "ITC-irst",
  address      = "Trento, Italy",
  number       = "XXXX-YY",
  month        = "April",
  year         = "2003"
}

@Inproceedings{Agostini03lncs,
  author       = "A. Agostini and P. Avesani",
  title        = "Advertising games for Web Services", 
  booktitle    = "Eleventh International Conference on Cooperative 
                  Information Systems (CoopIS-03)",
  editor       = "R. Meersman and Z. Tari and D. Schmit",
  publisher    = "Springer-Verlag LNCS",
  address      = "Heidelberg",
  year         = "2003",
  pages        = "--",
  note         = "To appear"
}