@Unpublished{     Vrieze,
  Author        = "Vrieze, O. J.",
  date-added    = "2015-08-20 10:27:13 +0000",
  date-modified = "2015-08-20 10:27:31 +0000",
  Title         = "Stochastic Games and Stationary Strategies",
  File          = "Stochastic Games and Stationary Strategies - Vrieze (0) (0) - a - a - e.pdf"
}

@Unpublished{ Vrieze, Author = "Vrieze, O. J.", date-added = "2015-08-20 10:27:13 +0000", date-modified = "2015-08-20 10:27:31 +0000", Title = "Stochastic Games and Stationary Strategies", File = "Stochastic Games and Stationary Strategies - Vrieze (0) (0) - a - a - e.pdf" }