@INCOLLECTION{Mühl16034:2009,
 author={C. Mühl and D.K.J. Heylen and A. Nijholt},
 title={Affective Brain-Computer Interfaces: Preface},
 booktitle={Proceedings Workshop on Affective Brain-Computer Interfaces},
 publisher={IEEE Computer Society},
 year=2009,
 editor={C. Mühl and D.K.J. Heylen and A. Nijholt},
 volume={2},
 series={ACII 2009 Proceedings},
 pages={1},
 address={Los Alamitos},
 note={ISBN=978-1-4244-4799-2},
}
\footnote{This Unique BiBTeX-key-identifier is generated, because the author did not insert a value into the database}