Efficient Heuristics for Orientation Metric and Euclidean Steiner Tree Problems.

Y. Y. Li Kwong-Sak Leung C. K. Wong Efficient Heuristics for Orientation Metric and Euclidean Steiner Tree Problems. 79-98 2000 4 J. Comb. Optim. 1 db/journals/jco/jco4.html#LiLW00 http://dx.doi.org/10.1023/A:1009837006569