@Article{     dixkrasub04,
  author    = {J\"{u}rgen Dix and Sarit Kraus and V.S.~Subrahmanian},
  title     = {Heterogenous Temporal Probabilistic {A}gents},
  journal   = {ACM Transactions of Computational Logic},
  year      = {2004},
  volume    = {},
  number     ={},
  pages     = {to appear}
}