author={C. Mühl and E.L. van den Broek and A.-M. Brouwer and F. Nijboer and N. Wouwe and D.K.J. Heylen},
 title={Multi-modal affect induction for affective brain-computer interfaces},
 booktitle={Proceedings of the 4th International Conference on Affective Computing and Intelligent Interaction (ACII 2011), Part I},
 editor={S. D’Mello and A. Graesser and B. Schuller and J.-C. Martin},
 series={Lecture Notes in Computer Science},
 address={New York},
 publisher={Springer Verlag},
 note={ISBN=978-3-642-24599-2, ISSN=0302-9743},
\footnote{This Unique BiBTeX-key-identifier is generated, because the author did not insert a value into the database}