Healey, Alan. 1964. The Ok Language Family in New Guinea. ([Sometimes cited as A Survey of the Ok Family of Languages presumably because part of the thesis II-IV, which contains all linguistic data, carries this title.], Australian National University; 271pp.)
@phdthesis{ldHealeyOk,
author = {Healey, Alan},
note = {[Sometimes cited as A Survey of the Ok Family of Languages presumably because part of the thesis II-IV, which contains all linguistic data, carries this title.]},
pages = {271},
school = {Australian National University},
title = {The Ok Language Family in New Guinea},
year = {1964}
}