The origin of hydrogen line emission for five Herbig Ae/Be stars spatially resolved by VLTI/AMBER spectro-interferometry
S. Kraus, K. Hofmann, M. Benisty, J. Berger, O. Chesneau, A. Isella, F. Malbet, A. Meilland, N. Nardetto, A. Natta, T. Preibisch, D. Schertl, Michael D. Smith, P. Stee, E. Tatulli, L. Testi, G. Weigelt