@TechReport{Balari:1992,
AUTHOR = {Balari, Sergio},
TITLE = {Agreement and Theta-Roles: Towards an Account of Null Subjects in HPSG},
YEAR = {1992},
MONTH = {July},
NUMBER = {25},
ADDRESS = {Saarbrücken},
TYPE = {CLAUS-Report},
INSTITUTION = {Universität des Saarlandes} }
