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Narayanaswamy, NS and Belkale, N and Chandran, LS and Sivadasan, N (2007) A note on the Hadwiger number of circular arc graphs. In: Information Processing Letters, 104 (1). pp. 10-13.
Chandran, LS and Sivadasan, N (2007) Boxicity and treewidth. In: Journal of Combinatorial Theory, Series B, 97 (5). pp. 733-744.