@incollection{FruehwirthMS06,
author = { Fr\"{u}hwirth, T. and Michel, L. and Schulte, C. },
chapter = { 13 },
title = { Constraints in Procedural and Concurrent Languages },
editor = { Rossi, F. and van Beek, P. and Walsh, T. },
booktitle = { Handbook of Constraint Programming },
publisher = { Elsevier },
year = { 2006 }
}
@book{RossiVB06,
editor = { Rossi, F. and van Beek, P. and Walsh, T. },
title = { Handbook of Constraint Programming },
publisher = { Elsevier },
year = { 2006 }
}