ELA articles which reference this paper are

Peter J.C. Dickinson
An improved characterisation of the interior of the completely positive cone,
Electron. J. Linear Algebra 20 (2010), 723-729.

M. Seetharma Gowda and R. Sznajder
On the irreducibility, self-duality an non-homogeneity of completely positive cones.
Electron. J. Linear Algebra 26 (2013) pp. 177-191.