SD Syntax der deutschen Gegenwartssprache by Engel, Ulrich fromGrundlagen der Germanistik 0 Type: Book
PA Principles and parameters of syntactic saturation by Webelhuth, Gert fromOxford studies in comparative syntax 0 Type: Book
SF Syntax for German in the user specialty languages system by Zoeppritz, Magdalena fromSprache und Information 0 Type: Book