Mid-IR spectra of pre-main sequence Herbig stars: An explanation for the non-detections of water linesS. Antonellini, I. Kamp, F. Lahuis, P. Woitke, W.-F. Thi, R. Meijerink, G. Aresu, M. Spaans, M. Güdel and A. LiebhartA&A, 585 (2016) A61DOI: https://doi.org/10.1051/0004-6361/201526787