1. Minimum-weight degree-constrained spanning tree problem: Heuristics and implementation on an SIMD parallel machine;Boldon;Technical Report, Dept. of Comp. Science, Univ. of Central Florida, Orlando, CS-TR-95-02,1995
2. Complexity of spanning tree problems: Part I;Camerini;Eur. J. Oper. Res.,1980
3. On the complexity of finding multi-constrained spanning trees;Camerini;Disc. Appl. Math.,1983
4. The complexity of weighted constrained spanning trees;Camerini,1984