@misc{BertholdHeinzLuebbeckeetal.2012, author = {Timo Berthold and Stefan Heinz and Marco L{\"u}bbecke and Rolf M{\"o}hring and Jens Schulz}, title = {A Constraint Integer Programming Approach for Resource-Constrained Project Scheduling}, institution = {Technische Universit{\"a}t Berlin}, type = {preprintmatheon}, year = {2012}, }