@article{oyler1920,
  author  = {Oyler, D. S.},
  journal = {Sudan Notes and Records},
  key     = {Oyler (1920)},
  number  = {2},
  pages   = {110-116},
  title   = {The Shilluk's belief in the good medicine men},
  volume  = {3},
  year    = {1920}
}