Methodology of steel cleanliness assessmentM. Burty, C. Louis, P. Dunand, P. Osmont, F. Ruby-Meyer, M. Nadif, F. Penet, T. Isono, E. Takeuchi and T. TohRev. Met. Paris, 97 6 (2000) 775-782DOI: https://doi.org/10.1051/metal/200097060775