Castro L, Aguiar P. (2014). A feedforward model for the formation of a grid field where spatial information is provided solely from place cells. Biological cybernetics. 108 [PubMed]
Pilly PK, Grossberg S. (2013). Spiking neurons in a hierarchical self-organizing map model can learn to develop spatial and temporal properties of entorhinal grid cells and hippocampal place cells PloS one. 8 [PubMed]