Characterization of ultrafiltration membranes using S.T.M. Adil Chahboun, Roland Coratger, François Ajustron, Jacques Beauvillain, Pierre Aimar and Victor SanchezMicrosc. Microanal. Microstruct., 2 4 (1991) 493-500DOI: https://doi.org/10.1051/mmm:0199100204049300