Zeshan, Ulrike. 2004. Interrogative Constructions in Sign Languages - Cross-linguistic Perspectives. Language 80. 7-39.
@article{Zeshan-2004a, author = {Zeshan, Ulrike}, journal = {Language}, number = {1}, pages = {7-39}, title = {Interrogative Constructions in Sign Languages - Cross-linguistic Perspectives}, volume = {80}, year = {2004} }