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Chaotic behavior in the Onchidium giant neuron under sinusoidal stimulation.
Physics Letters, Vol.88A (1982) pp.435-438.

(2) Hatsuo Hayashi and Satoru Ishizuka,
Chaotic response of the hippocampal CA3 region to a mossy fiber stimulation
in vitro.
Brain Research, Vol.686 (1995) pp.194-206.

(3) Motoharu Yoshida, Hatsuo Hayashi, Katsumi Tateno, and Satoru Ishizuka,
Stochastic resonance in the hippocampal CA3-CA1 model: a possible memory
recall mechanism.
Neural Networks, Vol.15 (2002) pp.1171-1183.