@incollection{Gasde2013,
  author    = {Horst-Dieter Gasde},
  title     = {Yes/no questions in mandarin chinese revisited},
  booktitle = {Sentence type and specificity / Ed. by Klaus von Heusinger ; Kerstin Schwabe, Zentrum f{\"u}r Allgemeine Sprachwissenschaft, Sprachtypologie und Universalienforschung, Berlin, 2000; ZAS papers in linguistics Vol. 24},
  volume    = {24},
  url       = {http://www.zas.gwz-berlin.de/fileadmin/material/ZASPiL_Volltexte/zp24/zaspil24-gasde.pdf},
  year      = {2013},
}