J. E. Beasley. An algorithm for the steiner problem in graphs. Networks, 14(1):147-159, 1984. [doi]
@article{Beasley84, title = {An algorithm for the steiner problem in graphs}, author = {J. E. Beasley}, year = {1984}, doi = {10.1002/net.3230140112}, url = {http://dx.doi.org/10.1002/net.3230140112}, researchr = {https://researchr.org/publication/Beasley84}, cites = {0}, citedby = {0}, journal = {Networks}, volume = {14}, number = {1}, pages = {147-159}, }