ELA articles which reference this paper are

Minerva Catral; Leslie Hogben; Dale D. Olesky; Pauline van den Driessche
Sign patterns that require or allow power-positivity,
Electron. J. Linear Algebra 19 (2009/2010), 121-128.

M. Catral, C. Erickson, L. Hogben, D.D. Olesky and P. van den Driessche
Sign patterns that allow strong eventual nonnegativity.
Electron. J. Linear Algebra 23 (2012) 1-10.