@Article{Schaffar_Chen:2001,
AUTHOR = {Schaffar, Wolfram and Chen, Lansun},
TITLE = {Yes-no question in Mandarin and the theory of focus},
YEAR = {2001},
JOURNAL = {Linguistics},
VOLUME = {39},
NUMBER = {5},
PAGES = {837-870},
URL = {Schaffar:2001:YNQ} }
