Filimon, A. , Albu, R. , Avram, E.. "Maximizing Performance of the Membranes Based on Quaternized Polysulfone/Polyvinil Alcohol for Biomedical Applications: Rheological Investigations". World Academy of Science, Engineering and Technology, Open Science Index 102, International Journal of Materials and Metallurgical Engineering (2015), 9(6), 776 - 779.