Scientific journal publication Determination of the enantiomer fraction of PBB 149 by gas chromatography/electron capture negative ionization tandem mass spectrometry in the selected reaction monitoring mode. von der Recke, R.; Mariussen, E.; Berger, U.; Götsch, A.; Herzke, D.; Vetter, W. Publication details Journal: Rapid Commun. Mass Spectron., 19, 3719–3723, 2005