TY - GEN AU - Occelli, M.L AU - Anthony, R.G TI - Hydrotreating catalysts: preparation, characterization and performance : proceedings T2 - Study in Surface Science and Catalysis, v.50 SN - 0444880321 U1 - 665.533 PY - 1989/// CY - Amsterdam PB - Elsevier KW - CHEMISTRY ER -