@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 } }