Raz A, Packard MG, Alexander GM, Buhle JT, Zhu H, Yu S, Peterson BS. (2009). "A slice of pi: An exploratory neuroimaging study of digit encoding and retrieval in a superior memorist." Neurocase. 6:1-12. DOI: 10.1080/13554790902776896PMID 19585350
Raz A, Packard MG, Alexander GM, Buhle JT, Zhu H, Yu S, Peterson BS. (2009). "A slice of pi: An exploratory neuroimaging study of digit encoding and retrieval in a superior memorist." Neurocase. 6:1-12. DOI: 10.1080/13554790902776896PMID 19585350