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H. Kobayashi, H. Kawakita: Formation Conditions of Icy Materials in Comet C/2004 Q2 (Machholz). I. Mixing Ratios of Organic Volatiles. In: The Astrophysical Journal. Band 703, Nr. 1, 2009, S. 121–130 doi:10.1088/0004-637X/703/1/121. (PDF; 460 kB)
H. Kawakita, H. Kobayashi: Formation Conditions of Icy Materials in Comet C/2004 Q2 (Machholz). II. Diagnostics Using Nuclear Spin Temperatures and Deuterium-to-Hydrogen Ratios in Cometary Molecules. In: The Astrophysical Journal. Band 693, Nr. 1, 2009, S. 388–396 doi:10.1088/0004-637X/693/1/388. (PDF; 497 kB)
H. Kawakita, M. J. Mumma: Fluorescence Excitation Models of Ammonia and Amidogen Radical (NH2) in Comets: Application to Comet C/2004 Q2 (Machholz). In: The Astrophysical Journal. Band 727, Nr. 2, 2011, S. 121–130 doi:10.1088/0004-637X/727/2/91. (PDF; 551 kB)
T. P. Sasseen, M. Hurwitz, C. M. Lisse, V. Kharchenko, D. Christian, S. J. Wolk, M. M. Sirk, A. Dalgarno: A Search for Extreme-Ultraviolet Emission from Comets with the Cosmic Hot Interstellar Plasma Spectrometer (CHIPS). In: The Astrophysical Journal. Band 650, Nr. 1, 2006, S. 461–469 doi:10.1088/0004-637X/699/2/1563. (PDF; 298 kB)
J. P. Morgenthaler, W. M. Harris, M. R. Combi, P. D. Feldman, H. A. Weaver: GALEX FUV observations of comet C/2004 Q2 (Machholz): The ionization lifetime of carbon. In: The Astrophysical Journal. Band 726, Nr. 1, 2010, S. 1–10 doi:10.1088/0004-637X/726/1/8. (PDF; 1,58 MB)
A. Sosa, J. A. Fernández: Masses of long-period comets derived from non-gravitational effects – analysis of the computed results and the consistency and reliability of the non-gravitational parameters. In: Monthly Notices of the Royal Astronomical Society. Bd. 416, Nr. 1, 2011, S. 767–782 doi:10.1111/j.1365-2966.2011.19111.x. (PDF; 1,99 MB)
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