Zimmermann, R.; Lermer, C.; Lenoir, D.; Boesl, U..Isomer Selective Ionization of Chlorinated PAH's: Detection of Impurities in Technical 9-Monochloroanthracene .527-530.Resonance ionization spectroscopy 1994 .Seventh international symposium, Bernkastel-Kues, Germany July 1994.AIP Press .1995

Böll, H.; Püffel, P.; Weickhardt, C.; Boesl, U..Laser Desorption/Resonance Post-Ionization of Large PAH's: Ionization and Surface Specific Fragmentation of Decacylene .68-71.Resonance ionization spectroscopy 1994 .Seventh international symposium, Bernkastel-Kues, Germany July 1994.AIP Press .1995

Käsmaier, R.; Bäßmann, C.; Drechsler, G.; Boesl, U..Negative-Ion Source for Mass Selective Photodetachment Photoelectron Spectroscopy .451-454.Resonance ionization spectroscopy 1994 .Seventh international symposium, Bernkastel-Kues, Germany July 1994.AIP Press .1995

Bäßmann, C.; Käsmaier, G.Drechsler, Boesl, U. .High Resolution Photodetachment ZEKE Photoelectron Spectroscopy of Mass-Selected Molecular Anions and Clusters .447-450.Resonance ionization spectroscopy 1994 .Seventh international symposium, Bernkastel-Kues, Germany July 1994.AIP Press .1995

Zimmermann, R.;Lermer, C.;Schramm, K.W.;Kettrup, A.;Boesl, U..3-Dimensional Trace Analysis - Combination of Gas-Chromatography, Supersonic Beam Uv Spectroscopy and Time-of-Flight Mass-Spectrometry.European Mass Spectrometry.1995.1.341-351

Zimmermann, R.;Boesl, U.;Lenoir, D.;Kettrup, A.;Grebner, T.L.;Neusser, H.J..The Ionization Energies of Polychlorinated Dibenzo-P-Dioxins - New Experimental Results and Theoretical-Studies.International Journal of Mass Spectrometry.1995.145.97-108

Frey, R.;Nagel, H.;Franzen, J.;Betzold, H.;Ulke, W.;Boesl, U..Dynamische Gasmessungen mit einem Lasermassenspektrometer.MTZ Motortechnische Zeitschrift.1995.56.608-613

Drechsler, G.;Bassmann, C.;Boesl, U.;Schlag, E.W..Structure-Analysis of High Reactive Metal-Catalysts Intermediates by a Combination of Mass-Spectrometry and Photodetachment-Zeke-Photoelectron Spectroscopy.Journal of Molecular Structure.1995.348.337-340

Cha, C.;Weinkauf, R.;Boesl, U..Laser Spectroscopy of Molecular-Ions - the (a)over-Tilde-(X)over-Tilde Transition of the Acetylene Radical-Cation.Journal of Chemical Physics.1995.103.5224-5235