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Meilinger, S. K.; Tsias, A.; Dreiling, V.; Kuhn, M.; Feigl, C.; Ziereis, H.; Schlager, H.; Curtius, J.; Sierau, B.; Arnold, F. et al.; Zöger, M.; Schiller, C.; Peter, T.: HNO₃ Partitioning in Cirrus Clouds. Geophysical Research Letters 26, pp. 2207 - 2210 (1999)

Merchel, S.; Herpers, U.: An update on radiochemical separation techniques for the determination of long-lived radionuclides via accelerator mass spectrometry. Radiochimica Acta 84, pp. 215 - 219 (1999)

Mezger, K.; Cosca, M. A.: The thermal history of the Eastern Ghats Belt (India) as revealed by U-Pb and ⁴⁰Ar/³⁹Ar dating of metamorphic and magmatic minerals: implications for the SWEAT correlation. Precambrian Research 94, pp. 251 - 271 (1999)

Müller, R.; Grooß, J.-U.; McKenna, D. S.; Crutzen, P. J.; Brühl, C.; Russel III, J. M.; Gordley, L. L.; Burrows, J. P.; Tuck, A. F.: Chemical ozone loss in the Arctic vortex in the winter 1995-96: HALOE measurements in conjunction with other observations. Annual Geophysicae 17, pp. 101 - 114 (1999)

Neeb, P.; Moortgat, G. K.: Formation of OH radicals in their gas phase reaction of propene, isobutene and isoprene with O₃: yields and mechanistic implications. Journal of Physical Chemistry 103, pp. 9003 - 9012 (1999)

Ott, U.: Laboratory studies of grains from outside the solar system: A new kind of astronomy. Science Progress 82, pp. 49 - 67 (1999)

Otter, L. B.; Lang, W. X.; Scholes, M. C.; Meixner, F. X.: Nitric oxide emissions from a Southern African savanna. Journal of Geophysical Research 104, pp. 18471 - 18485 (1999)

Perner, D.; Arnold, T.; Crowley, J.; Klüpfel, T.; Martinez, M.; Seuwen, R.: The measurement of active chlorine in the atmosphere by chemical amplification. Journal of Atmospheric Chemistry 34, pp. 9 - 20 (1999)

Pfänder, J. A.; Jochum, K. P.; Sassen, A.; Stoll, B.; Maissenbacher, P.; Murmann, M.: Determination of Y, Zr and ultra-low Nb concentrations in geological material by multi-ion counting spark-source mass spectrometry (MIC-SSMS). Fresenius Journal of Analytical Chemistry 364, pp. 376 - 380 (1999)

Pidgeon, R.; Nasdala, L.; Todt, W.: Determination of radiation damage ages on parts of zircon grains by Raman microprobe: implications for annealing history and U-Pb stability. Mineralogical Magazine 62A, pp. 1174 - 1176 (1999)

Platt, U.; Moortgat, G. K.: Heterogeneous and homogeneous chemistry of reactive halogen compounds in the lower troposphere. Journal of Atmospheric Chemistry 34, pp. 1 - 8 (1999)

Puchtel, I. S.; Brügmann, G. E.; Hofmann, A. W.: Precise Re-Os mineral isochron and Pb-Nd-Os isotope systematics of a mafic-ultramafic sill in the 2.0 Ga Onega plateau (Baltic Shield). Earth and Planetary Science Letters 170, pp. 447 - 461 (1999)

Puchtel, I. S.; Hofmann, A. W.; Amelin, Y. V.; Garbe-Schönberg, C.-D.; Samsonov, A. V.; Shchipansky, A. A.: Combined mantle plume-island arc model for the formation of the 2.9 Ga Sumozero-Kenozero greenstone belt, SE Baltic Shield: Isotope and trace element constraints. Geochimica et Cosmochimica Acta 63, pp. 3579 - 3595 (1999)

Rausch, A.; Ebert, M.; Gorzawski, G.; Weinbruch, S.; Hoffmann, P.; Helas, G.: High-resolution scanning electron microscopy of individual aerosol particles obtained during LACE 98. Journal of Aerosol Science 30S, pp. 515 - 516 (1999)

Rehkämper, M.; Halliday, A. N.; Alt, J.; Fitton, J. G.; Zipfel, J.; Takazawa, E.: Non chondritic platinum group element ratios in oceanic mantle lithosphere: Petrogenic signature of melt percolation? Earth and Planetary Science Letters 172, pp. 65 - 81 (1999)

Reiner, T.; Hanke, M.; Arnold, F.; Ziereis, H.; Schlager, H.; Junkermann, W.: Aircraft-borne measurements of peroxy radicals by Chemical Conversion/Ion Molecule Reaction Mass Spectrometry: Calibration, diagnostics, and results. Journal of Geophysical Research 104, pp. 18647 - 18659 (1999)

Reiner, T.; Möhler, O.; Arnold, F.: Measurements of acetone, acetic acid, and formic acid in the northern mid latitude upper troposphere and lower stratosphere. Journal of Geophysical Research 104, pp. 13943 - 13952 (1999)

Röckmann, T.; Brenninkmeijer, C. A. M.; Crutzen, P. J.: Short-term variations in the ¹³C/¹²C ratio of CO as a measure of Cl activation during tropospheric ozone depletion events in the Arctic. Journal of Geophysical Research 104, pp. 1691 - 1697 (1999)

Röckmann, T.; Brenninkmeijer, C. A. M.; Hahn, M.; Elansky, N. F.: CO mixing and isotope ratios across Russia; trans-Siberian railroad expedition TROICA 3, 1997. Chemosphere - Global Change Science 1, pp. 219 - 231 (1999)