Alberto Bertoni Christian Choffrut Massimiliano Goldwurm Violetta Lonati Local Limit Properties for Pattern Statistics and Rational Models. 209-235 2006 39 Theory Comput. Syst. 1 http://dx.doi.org/10.1007/s00224-005-1265-8 db/journals/mst/mst39.html#BertoniCGL06