Klein, Wolfgang. Developing grammars : The acquisition of german syntax by foreign workers / by Wolfgang Klein and Nobert Dittmar - New York: Springer Verlag, 1979. - vi, 222p. - Springer series in language and communication . ISBN: 3540095802 Subjects--Topical Terms: DimensionLanguageLanguageVariability Dewey Class. No.: 415 / KLE/D