@misc{bengtson_recovery_of_1991, 
author={Bengtson, G.,Pingel, H.,Boeddeker, K. W.,Crespo, J.,Kroner, K.-H.},
title={Recovery of ABE fermentation products by integrated pervaporation},
year={1991},
howpublished = {conference paper,conference lecture: Heidelberg (D); 11.-15.03.1991},
note = {Online available at: \url{} (DOI). Bengtson, G.; Pingel, H.; Boeddeker, K.; Crespo, J.; Kroner, K.: Recovery of ABE fermentation products by integrated pervaporation. In: Bakish, R. (Ed.): Proceedings of the Fifth International Conference on Pervaporation Processes in the Chemical Industry. Heidelberg (D). 1991. 508-511.}}