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2. Dynamics of the GIOTTO spacecraft in the inner dust coma of Comet P/Halley, Part I: Observations;Pätzold;Z. Flugwiss. Weltraumforsch,1991
3. Dynamics of the GIOTTO spacecraft in the inner dust coma of Comet P/Halley, Part 2: Interpretations;Pätzold;Z. Flugwiss. Weltraumforsch.,1991
4. GIOTTO-Halley encounter: When was the large nutation generated?;Pätzold;A&A,1991
5. The Giotto encounter with comet P/Grigg-Skjellerup: first results from the Giotto Radio-Science Experiment;Pätzold;A&A,1993