ISO spectroscopy of circumstellar dust in 14 Herbig Ae/Be systems: Towards an understanding of dust processingG. Meeus, L. B. F. M. Waters, J. Bouwman, M. E. van den Ancker, C. Waelkens and K. MalfaitA&A, 365 3 (2001) 476-490DOI: https://doi.org/10.1051/0004-6361:20000144