On the X-ray and optical properties of the Be star HD 110432: a very hard-thermal X-ray emitterR. Lopes de Oliveira, C. Motch, M. A. Smith, I. Negueruela and J. M. TorrejónA&A, 474 3 (2007) 983-996DOI: https://doi.org/10.1051/0004-6361:20077295