1. E.R. Barnes, “An algorithm for partitioning the nodes of a graph,”SIAM Journal of Algebraic and Discrete Mathematics 3 (1982) 541–550.
2. E.R. Barnes, “Partitioning the nodes of a graph,” manuscript (1985).
3. E.R. Barnes and A.J. Hoffman, “Partitioning, spectra and linear programming,” in: W.E. Pulleyblank, ed.,Progress in Combinatorial Optimization (Academic Press, New York, 1984).
4. E.R. Barnes, A. Vannelli and J.O. Walker, “A new procedure for partitioning the nodes of a graph,” IBM Research Report RC 10561 (June 1984).
5. A.K. Chakravarty, J.B. Orlin and U.G. Rothblum, “A partitioning problem with additive objective with an application to optimal inventory groupings for joint replenishment,”Operations Research 30 (1982) 1018–1022.