@book{UBHD-1051276, author={Brown, Roger}, title={A first language}, subtitle={the early stages}, publisher={Allen & Unwin}, address={London}, year={1973}, pages={XX, 437 S}, language={eng}, note={Literaturverz. S. 415 - 422}, keywords={Spracherwerb ; Kindersprache}, library={UB [Signatur: 77 B 1593]}, }