Arcelli, C., and Stefano Levialdi. “Neuron Counting in Three Dimensions; A Proposal”. Acta Cybernetica 2, no. 1 (January 1, 1973): 65-69. Accessed May 6, 2024. https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3104.