4) Zeki S. Watson J.D.G. , Lueck C. J. , Friston K.J., Kennard C., Frckowiak R.S.J. A direct demonstration of function of functional specilization in human visual cortex. J. Neuroscience. 11, 641-649, (1991)
5) Sakai K. Watanabe E. Onodera Y. Uchida I. Kato H. Yamamoto E. Functional mapping of the human colour centre with echoplanar magnetic reso-nance imaging. Proc R Rsoc Lond B Biol Sci, 261, 89-98 (1991)