@article{DBLP:journals/ipl/CockayneH86,
author = {Ernest J. Cockayne and
Denton E. Hewgill},
title = {Exact Computation of Steiner Minimal Trees in the Plane},
journal = {Inf. Process. Lett.},
volume = {22},
number = {3},
year = {1986},
pages = {151-156},
ee = {http://dx.doi.org/10.1016/0020-0190(86)90062-1},
bibsource = {DBLP, http://dblp.uni-trier.de}
}