@incollection {AISB-AICAP2012b,
   author = {J. Hernandez-Orallo and J. Insa-Cabrera and D.L. Dowe and B. Hibbard},
   title = {Turing Machines and Recursive Turing Tests},
   booktitle = {AISB/IACAP 2012 Symposium "Revisiting Turing and his Test"},
   editor = {V. Muller and A. Ayesh},
   pages = {28-33},
   year = {2012}
}