@other{Duchien2021, author = {Laurence Duchien and Paul Grünbacher and Thomas Thüm}, title = {Foreword to the Special Issue on Configurable Systems}, journal = {Empirical Software Engineering}, year = {2021}, doi = {http://dx.doi.org/10.1007/s10664-021-09964-6}, issn = {11573-7616}, Keywords = {CD Lab MEVSS}, }