@article{GroetschelMartinWeismantel1996, author = {Martin Gr{\"o}tschel and Alexander Martin and Robert Weismantel}, title = {Packing Steiner Trees: Separation Algorithms}, journal = {SIAM Journal on Discrete Mathematics}, volume = {9}, number = {2}, pages = {233 -- 257}, doi = {10.1137/S0895480193258716}, year = {1996}, }