@misc{kamusewitz_contact_angle_1991, 
author={Kamusewitz, H.,Malsch, G.,Paul, D.},
title={Contact angle measurements on surface modified cellulose membranes},
year={1991},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Kamusewitz, H.; Malsch, G.; Paul, D.: Contact angle measurements on surface modified cellulose membranes. Acta Polymerica. 1991. vol. 42, no. 9, 454-457.}}