@misc{xie_investigation_on_2004, 
author={Xie, Z., Ebinghaus, R., Caba, A., Lakaschus, S., Ruck, W.},
title={Investigation on a mass balance for the nonylphenol in the North Sea – the relative importance of air - sea gas exchange},
year={2004},
howpublished = {conference lecture (invited): Aachen (D);},
note = {Xie, Z.; Ebinghaus, R.; Caba, A.; Lakaschus, S.; Ruck, W.: Investigation on a mass balance for the nonylphenol in the North Sea – the relative importance of air - sea gas exchange. Occurrence and elimination of trace contaminants in waste water treatment and environmental compartments. Aachen (D), 2004.}}