ELA articles which reference this paper are

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On minimal rank over finite fields,
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Nathan L. Chenette; Sean V. Droms; Leslie Hogben; Rana Mikkelson; Olga Pryporova
Minimum rank of a graph over an arbitrary field,
Electron. J. Linear Algebra 16 (2007), 183-186.

Luz M. DeAlba; Jason Grout; Leslie Hogben; Rana Mikkelson; Kaela Rasmussen
Universally optimal matrices and field independence of the minimum rank of a graph,
Electron. J. Linear Algebra 18 (2009), 403-419.