Nimmanahaeminda, K. and Hartland-Swann, J. 1962. Expedition to the "Khon Pa" (or Phi Tong Luang). Journal of the Siam Society 50. 165-186.
@article{nimmanahaemindaandhartlandswam1962, author = {Nimmanahaeminda, K. and Hartland-Swann, J.}, journal = {Journal of the Siam Society}, key = {Nimmanahaeminda and Hartland-Swam (1962)}, number = {2}, pages = {165-186}, title = {Expedition to the "Khon Pa" (or Phi Tong Luang)}, volume = {50}, year = {1962} }