@Article{SRM73,
    Author       = "Siklossy, L. and Rich, A. and Marinov, V.",
    Year         = "1973",
    Title        = "{Breadth First Search: Some Surprising Results}",
    Journal      = "Artificial Intelligence",
    Volume       = "4",
    Pages        = "1-27",
    Comment      = "TPTPRef"
}