@article{thomas1896vigesimal,
  check = {thomas:1896:vigesimal},
  xn-author = {thomas, cyrus},
  xn-pub = {American Anthropologist},
  source = {jstor},
  ISSN = {0002-7294},
  author = {Thomas, Cyrus},
  copyright = {Copyright 1896 American Anthropological Association},
  journal = {American Anthropologist},
  jstor_articletype = {Full Length Article},
  jstor_date = {189612},
  jstor_formatteddate = {Dec., 1896},
  month = {dec},
  number = {12},
  pages = {409--410},
  publisher = {American Anthropological Association},
  series = {1},
  title = {The Vigesimal System of Enumeration},
  url = {http://links.jstor.org/sici?sici=0002-7294%28189612%291%3A9%3A12%3C409%3ATVSOE%3E2.0.CO%3B2-S},
  volume = {9},
  year = {1896},
}