Duncan-Jones, R. P. "Metic Numbers in Periclean Athens" Chiron.Email k.west@mtsu.edu for the document password
Duncan-Jones, R. P. "Metic Numbers in Periclean Athens." Chiron, vol. 10, 1980, pp. 101-144, https://publications.dainst.org/journals/index.php/chiron/article/view/1334/5683.