IBM System/4 Pi (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "IBM System/4 Pi" in German language version.

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archive.org (Global: 6th place; German: 40th place)

  • System/4 Pi Engineering Description: Model EP. Federal Systems Division of IBM, Owego, NY 1966, 1.1 System/360 Compatibility and 2.2 System/360 Compatibility, S. 1, 4–5 (6, 9–10) (englisch, archive.org).

bernd-leitenberger.de (Global: low place; German: 2,578th place)

  • Bernd Leitenberger: Der Skylab-Computer. In: Raumfahrt und Computer. Abgerufen am 17. April 2022.

doi.org (Global: 2nd place; German: 3rd place)

  • A. E. Cooper, W. T. Chow: Development of On-board Space Computer Systems. In: IBM Journal of Research and Development. Band 20, Nr. 1, Januar 1976, S. 5–19, doi:10.1147/rd.201.0005.
  • Norman, P. Glenn: The new AP101S General-Purpose Computer (GPC) for the Space Shuttle. In: IEEE Proceedings. Band 75, Nr. 3, 1987, S. 308–319, doi:10.1109/PROC.1987.13738, bibcode:1987IEEEP..75..308N.
  • D.P. Stormont, R. Welgan: Risk management for the B-1B computer upgrade. In: Proceedings of National Aerospace and Electronics Conference (NAECON'94). 2. Jahrgang, Mai 1994, S. 1143–1149, doi:10.1109/NAECON.1994.332913 (englisch, zenodo.org).

eoportal.org (Global: low place; German: low place)

directory.eoportal.org

harvard.edu (Global: 18th place; German: 181st place)

ui.adsabs.harvard.edu

information-age.com (Global: low place; German: low place)

nasa.gov (Global: 75th place; German: 133rd place)

history.nasa.gov

ntrs.nasa.gov

  • D. P. Bedford, H. Markarian, N. L. Pleszkoch, Model TC and CP-2: Study of control computers for control moment gyro stability and control systems. Volume I - Engineering. März 1967, Appendix E: SYSTEM 4 Pi COMPUTER CHARACTERISTICS, S. E-1 - E-21 (126–147) (englisch, nasa.gov).

notebookcheck.com (Global: low place; German: 3,116th place)

zenodo.org (Global: 621st place; German: 5,656th place)

  • D.P. Stormont, R. Welgan: Risk management for the B-1B computer upgrade. In: Proceedings of National Aerospace and Electronics Conference (NAECON'94). 2. Jahrgang, Mai 1994, S. 1143–1149, doi:10.1109/NAECON.1994.332913 (englisch, zenodo.org).