Zhang, M., J. Wu, Y. Chua, X. Luo, Z. Pan, D. Liu, and H. Li. “MPD-AL: An Efficient Membrane Potential Driven Aggregate-Label Learning Algorithm for Spiking Neurons”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 1327-34, doi:10.1609/aaai.v33i01.33011327.