Andrew F. Ptak Sign in to save
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Aachen papers
Departments & institutes in Aachen
No department could be parsed from this author's affiliation strings.
Affiliations exactly as printed on papers (8)
- 3× Johns Hopkins University
- 2× National Aeronautics and Space Administration, Goddard Space Flight Center
- 2× Center for Astrophysical Sciences , William H. Miller III Department of Physics and Astronomy , Johns Hopkins University , Baltimore , Maryland 21218 , USA
- 2× NASA / Goddard Space Flight Center , 8800 Greenbelt Rd , Greenbelt , MD 20771 , USA
- 1× Northrop Grumman (United States)
- 1× Center for Astrophysical Sciences, William H. Miller III Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA
- 1× NASA/Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20771, USA
- 1× NASA / Goddard Space Flight Center
Papers 7 stored
7 results