https://www.sciencedirect.com/science/article/pii/S0893608097000373 (Publisher version)
Watanabe, M., & Aihara, K. (1997). Chaos in Neural Networks Composed of Coincidence Detector Neurons. Neural networks, 10(8), 1353-1359. doi:10.1016/S0893-6080(97)00037-3.