1. E.H.L. Aarts, J.K. Lenstra (Eds.), Local Search in Combinatorial Optimization. Wiley, New York, 1997.
2. J.-P. Barthélemy, B. Leclerc, The median procedure for partitions, in: I. Cox, P. Hansen, B. Julesz (Eds.), Partitioning Data Sets, DIMACS Series in Discrete Mathematics and Theoretical Computer Science, vol. 19, 1995, pp. 3–34.
3. The median procedure in cluster analysis and social choice theory;Barthélemy;Math. Soc. Sci.,1981
4. The median procedure in data analysis: new results and open problems;Barthélemy,1988
5. J.-C. Borda, Mémoire sur les élections au scrutin, Histoire de l’Académie royale des Sciences pour 1781, Paris, 1784.