@misc{ohlrogge_membrane_separation_1998, 
author={Ohlrogge, K., Wind, J., Stuerken, K.},
title={Membrane Separation in Chemical, Petro Chemical and Pharmaceutical Processes},
year={1998},
howpublished = {conference lecture: San Juan (CR);},
note = {Ohlrogge, K.; Wind, J.; Stuerken, K.: Membrane Separation in Chemical, Petro Chemical and Pharmaceutical Processes. XVIII Interamerican Congress of Chemical Engineering. San Juan (CR), 1998.}}