[1] Boesl U, Neusser H J, Schlag E W.Two-photon ionization of polyatomic molecules in a mass spectrometer [J]. Z.Naturforsch.,1978, 33A: 1546~1548
[2] Antonov V S, Knyazev I N, Letokhov V S et al. Stepwise laser photoionization ofmolecules in a mass spectrometer:a new method for probing and detection of polyatomicmolecules [J]. Opt. Lett., 1978, 3(2): 37~39
[3] Boesl U. Multiphoton excitation and mass selective ion detection for neutral andion spectroscopy [J]. J. Phys.Chem., 1991, 95(8): 2949~2962
[4] Hager J W, Wallace S C. Two-laser photoionization supersonic jet mass spectrometry[J]. Anal. Chem., 1988,60(1): 5~10
[5] Weickhardt C, Boesl U, Schlag E W. Laser mass spectrometry for time-resolvedmulticomponent analysis of exhaust gas [J]. Anal. Chem., 1994, 66(7): 1062~1069
[6] Heger H, Zimmermann R, Dorfner et al. On-line emission analysis of polycyclicaromatic hydrocarbons down to pptv concentration levels in the flue gas of an incinerationpilot plant with a mobile resonance-enhanced multiphoton ionization time-of-flight massspectrometer [J]. Anal. Chem., 1999, 71(1): 46~57
[7] Boesl U. Laser mass spectrometry for environmental and industrial chemical traceanalysis [J]. J. Mass Spectrom.,2000, 35(3): 289~304
[8] Castaldi M J, Senkan S M. Real time, ultrasensitive monitoring of air toxics bylaser photoionization time-of-flight mass spectrometry [J]. Journal of the Air &WasteManagement Association, 1998, 48:77~81
[9] Loepfe M, Burtscher H, Siegmann H C. Analysis of combustion products usingtime-of-flight mass spectrometry [J]. Water, Air and Soil Pollution, 1993, 68(1~2): 177~184
[10] Franzen J, Frey R, Nagel H. Fast monitoring of motor exhaust components byresonant multiphoton ionization and time-of-flight mass spectrometry [J]. Journal ofMolecular Structure, 1995, 347:143~151
[11] Boesl U, Nagel H, Weickhardt C et al. Vehicle exhaust emission time-resolvedmulticomponent analysis by laser mass spectrometry [M]. The Encyclopedia of EnvironmentalAnalysis and Remediation, 1998, 5000~5022
[12] Boesl U, Nagel H, Weickhardt C et al. Calibration method for the quantitativeanalysis of gas mixture by means of multiphoton ionization mass spectrometry [J]. Rev.Sci. Instrum., 1993, 64(12): 3482~3486