@incollection{FeixMurielMerliniTartini1995,
  author    = {{Marc R. Feix,  Amador  Muriel, Danilo Merlini, and Remiglio Tartini}},
  title     = {{The $(3x +  1)/2$ Problem: A Statistical Approach}},
  booktitle = {{Stochastic Processes, Physics and Geometry~II, Locarno 1991}},
  publisher = {{World Scientific}},
  year      = {{1995}},
  pages     = {{289--300}},
}