Ladefoged, Peter & Daniel L. Everett. 1996. The status of phonetic rarities. Language 72(4). 794-800.
@article{89079, author = {Ladefoged, Peter and Everett, Daniel L.}, journal = {Language}, number = {4}, pages = {794-800}, title = {The status of phonetic rarities}, volume = {72}, year = {1996}, country = {Brazil [BR]}, inlg = {English [eng]}, lgcode = {Oro Win [orw], Wari' [pav]}, macro_area = {South America}, sil_id = {48623}, src = {fabreall2009ann, sil16}, subject = {Articulatory phonetics [ARP]} }