Fiori S. (2005). Nonlinear complex-valued extensions of Hebbian learning: an essay. Neural computation. 17 [PubMed]
Lörincz A, Buzsáki G. (2000). Two-phase computational model training long-term memories in the entorhinal-hippocampal region. Annals of the New York Academy of Sciences. 911 [PubMed]