1. Aggarwal, V., Aneja, Y.P., Nair, K.P.K.: Minimal spanning tree subject to a side constraint. Computers and Operations Research 9(4), 287–296 (1982)
2. Ahuja, R.K., Magnanti, T.L., Orlin, J.B.: Network Flows: Theory, Algorithms, and Applications. Prentice-Hall, Inc., Englewood Cliffs (1993)
3. Andersen, K.A., Joernsten, K., Lind, M.: On bicriterion minimal spanning trees: an approximation. Computers and Operations Research 23, 1171–1182 (1996)
4. Camerini, P.M., Galbiati, G., Maffioli, F.: The complexity of multi-constrained spanning tree problems. In: Lovasz, L. (ed.) Theory of Algorithms, pp. 53–101. North-Holland, Amsterdam (1984)
5. Chen, G., Guo, W., Tu, X., Chen, H.: An improved algorithm to solve the multi-criteria minimum spanning tree problem. J. Softw. 17(3), 364–370 (2006)