@misc{boeddeker_recovery_of_1993, 
author={Boeddeker, K.W.},
title={Recovery of natural aroma species by pervaporation},
year={1993},
howpublished = {conference lecture: Plymouth, NH (USA);},
note = {Boeddeker, K.: Recovery of natural aroma species by pervaporation. Gordon Research Confernce on Membranes: materials und processes. Plymouth, NH (USA), 1993.}}