Preparation, characterization of Mo catalysts supported on Ni- containing calcium deficient hydroxyapatite and reactivity for the thiophene HDS reactionA. Cherif, F. Hadhoudi, S. Ezzamouri and M. LakhdarMATEC Web of Conferences, 5 (2013) 04016DOI: https://doi.org/10.1051/matecconf/20130504016