Olson n.d.

Olson, Clif. n.d. [Data supplied by Clif Olson, Summer Institute of Linguistics, Papua New Guinea.].

@misc{2761,
  author = {Olson, Clif},
  title  = {[Data supplied by Clif Olson, Summer Institute of Linguistics, Papua New Guinea.]},
  year   = {n.d.}
}