@article{TUW-239636, author = {Sahin, Dilan and Kessentini, Marouane and Wimmer, Manuel and Deb, Kalyanmoy}, title = {Model Transformation Testing: A Bi-Level Search-based Software Engineering Approach}, journal = {Journal of Software: Evolution and Process}, year = {2015}, volume = {27}, number = {11}, pages = {821--837}, url = {http://dx.doi.org/10.1002/smr.1735}, doi = {10.1002/smr.1735} }