Nicholas Lange, Stephen C. Strother, J. R. Anderson, Finn Årup Nielsen, Andrew P. Holmes, Thomas Kolenda, Robert L. Savoy and Lars Kai Hansen (September 1999). «Plurality and resemblance in fMRI data analysis». NeuroImage10 (3 Part 1): 282-303. PMID10458943. doi:10.1006/nimg.1999.0472.
Nicholas Lange, Stephen C. Strother, J. R. Anderson, Finn Årup Nielsen, Andrew P. Holmes, Thomas Kolenda, Robert L. Savoy and Lars Kai Hansen (September 1999). «Plurality and resemblance in fMRI data analysis». NeuroImage10 (3 Part 1): 282-303. PMID10458943. doi:10.1006/nimg.1999.0472.