Science, Vol. 298, No. 5594. (25 October 2002), pp. 824-827.
Human Brain Mapping, Vol. 9999, No. 9999. (2008), NA.
American Journal of Primatology, Vol. 49, No. 4. (1999), pp. 315-338.
Complexity, Vol. 10, No. 6. (2005), pp. 13-40.
Science, Vol. 301, No. 5641. (26 September 2003), pp. 1870-1874.
Behavioural Brain Research, Vol. 135, No. 1-2. (20 September 2002), pp. 69-74.
PNAS, Vol. 103, No. 51. (19 December 2006), pp. 19219-19220.
Proc Biol Sci, Vol. 252, No. 1333. (22 April 1993), pp. 13-18.
J. Neurosci., Vol. 26, No. 1. (4 January 2006), pp. 63-72.
Cereb Cortex (4 January 2007)
Proc Natl Acad Sci U S A (31 August 2006)
PLoS Computational Biology, Vol. 1, No. 4. (1 September 2005), e42.
NeuroInformatics, Vol. 2, No. 2. (11 June 2004), pp. 145-162.
Trends in Cognitive Sciences, Vol. 5, No. 1. (1 January 2001), pp. 26-36.
PNAS, Vol. 104, No. 24. (12 June 2007), pp. 10240-10245.
PNAS, Vol. 103, No. 51. (19 December 2006), pp. 19518-19523.