%0 Artikel %@ 0323-7648 %A Weigel, T. %A Makschin, W. %A Albrecht, W. %A Klug, P. %A Groebe, V. %A Paul, D. %D 1991 %J Acta Polymerica %N 1011 %P 366-371 %T Bicomponent membranes 4.: influence of membrane formation principles on the structure of the active layer of membranes %U 8 %X