@misc{khan_polymers_of_2014, 
author={Khan, M.M.},
title={Polymers of Intrinsic Microporosity(PIM): Polymeric Materials for Gas Separation Membranes (Dissertation)},
year={2014},
howpublished = {doctoral thesis: Universitaet Hamburg, FB Physical Chemistry},
note = {Online available at: \url{} (DOI). Khan, M.: Polymers of Intrinsic Microporosity(PIM): Polymeric Materials for Gas Separation Membranes (Dissertation). Universitaet Hamburg, FB Physical Chemistry, 2014.}}