@article{penth1977historical,
  title = {Historical notes on the region west of Chiang Mai},
  author = {PENTH, Hans},
  xn-author = {penth, hans},
  journal = {Journal of the Siam Society},
  xn-pub = {The Journal of the Siam Society},
  year = {1977},
  month = {Jul},
  volume = {65},
  number = {2},
  address = {Bangkok},
  keywords = {Thailand;History;By Period;Antiquity to 1767},
  x-date = {Jul, 1977},
  BAS = {471964},
  check = {penth:1977:historical},
  source = {bas},
}