1. The determination of the penmovement of an XY-plotter and its computational complexity;Iri;Proc. Spring Conference of the Operations Research Society of Japan,1980
2. Combinatorial Optimization—Networks and Matroids;Lawler,1976
3. On a greedy heuristic for complete matching;Reingold,1978
4. Heuristics for weighted perfect matching;Supowit;Proc. 12th Annual ACM Symposium on Theory of Computing,1980