@incollection{Erdmann90-focus,
  author	= {Erdmann, Peter},
  editor	= {Claus, Gnutzmann},
  year		= {1990},
  title		= {Fokuskonstruktionen im Deutschen und Englischen},
  booktitle	= {Kontrastive Linguistik},
  pages		= {69--83},
  publisher	= {Lang},
  address	= {Frankfurt}
}