Idiatov, Dmitry. 2007. A typology of non-selective interrogative pronominals. Antwerp: University of Antwerp. (Doctoral dissertation).
@phdthesis{idiatov2007, address = {Antwerp}, author = {Idiatov, Dmitry}, key = {Idiatov 2007}, publisher = {University of Antwerp}, title = {A typology of non-selective interrogative pronominals}, year = {2007} }