@techreport{RehfeldtKochMaher2016, author = {Daniel Rehfeldt and Thorsten Koch and Stephen J. Maher}, title = {Reduction Techniques for the Prize-Collecting Steiner Tree Problem and the Maximum-Weight Connected Subgraph Problem}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {16-47}, language = {eng}, year = {2016} }