Ferromagnetic inclusions in silicate thin films: insights into the magnetic properties of cosmic grainsZ. Djouadi, J. Gattacceca, L. d'Hendecourt, P. Rochette, A. P. Jones, C. Davoisne, H. Leroux and J. BorgA&A, 468 1 (2007) L9-L12DOI: https://doi.org/10.1051/0004-6361:20077490