Helmut Hölzer (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helmut Hölzer" in English language version.

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astronautix.com

Wade, Mark. "Hoelzer". Astronautix. Archived from the original on December 27, 2016. Retrieved October 19, 2008.

books.google.com

Neufeld, Michael J. (2013-09-10). The Rocket and the Reich: Peenemunde and the Coming of the Ballistic Missile Era. Smithsonian Institution. p. 138. ISBN 9781588344663.
Ulmann, Bernd (2013-07-22). Analog Computing. Walter de Gruyter. p. 38. ISBN 9783486755183.

doi.org

Tomayko, James E. (July 1985). "Helmut Hoelzer's Fully Electronic Analog Computer". Annals of the History of Computing. 7 (3): 227–240. doi:10.1109/mahc.1985.10025. S2CID 15986944.
Biener, Klaus (August 1999). "Alwin Walther – Pionier der Praktischen Mathematik". RZ-Mitteilungen. doi:10.18452/6275.
Tomayko, James E. (1985). "Helmut Hoelzer's Fully Electronic Analog Computer". IEEE Annals of the History of Computing. 7 (3): 227–240. doi:10.1109/MAHC.1985.10025. S2CID 15986944.

hu-berlin.de

edoc.hu-berlin.de

Biener, Klaus (August 1999). "Alwin Walther – Pionier der Praktischen Mathematik". RZ-Mitteilungen. doi:10.18452/6275.

nasa.gov

dfrc.nasa.gov

Tomayko, James E. "Computers Take Flight: A History of NASA's Pioneering Digital Fly-by-Wire Project" (PDF). p. 13. Archived from the original (PDF) on 2004-07-19. Retrieved October 18, 2008.

nytimes.com

query.nytimes.com

H. Otto Hirschler, 87, Aided Space Program

semanticscholar.org

api.semanticscholar.org

Tomayko, James E. (July 1985). "Helmut Hoelzer's Fully Electronic Analog Computer". Annals of the History of Computing. 7 (3): 227–240. doi:10.1109/mahc.1985.10025. S2CID 15986944.
Tomayko, James E. (1985). "Helmut Hoelzer's Fully Electronic Analog Computer". IEEE Annals of the History of Computing. 7 (3): 227–240. doi:10.1109/MAHC.1985.10025. S2CID 15986944.

web.archive.org

Wade, Mark. "Hoelzer". Astronautix. Archived from the original on December 27, 2016. Retrieved October 19, 2008.
Tomayko, James E. "Computers Take Flight: A History of NASA's Pioneering Digital Fly-by-Wire Project" (PDF). p. 13. Archived from the original (PDF) on 2004-07-19. Retrieved October 18, 2008.

yahoo.com

babelfish.yahoo.com