@article{RehfeldtKochMaher2019, 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}, journal = {Networks}, volume = {73}, pages = {206 -- 233}, doi = {10.1002/net.21857}, year = {2019}, }