Optical spectroscopic variability of Herbig Ae/Be starsI. Mendigutía, C. Eiroa, B. Montesinos, A. Mora, R. D. Oudmaijer, B. Merín and G. MeeusA&A, 529 (2011) A34DOI: https://doi.org/10.1051/0004-6361/201015821