@incollection{rupen1956,
  address   = {New Haven},
  author    = {Rupen, R. A.},
  booktitle = {Mongolian Peoples' Republic},
  editor    = {Ballis, W. M.},
  key       = {Rupen (1956)},
  pages     = {1-48},
  title     = {General Character of the Society},
  volume    = {1},
  year      = {1956}
}