Helmut Gröttrup (English Wikipedia)

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

refsWebsite

Global rank English rank

8espacenet.com

800^th place

676^th place

3astronautix.com

2,056^th place

1,541^st place

2russianspaceweb.com

6,023^rd place

4,666^th place

2cia.gov

89^th place

147^th place

2dpma.de

3,893^rd place

7,889^th place

1web.archive.org

1^st place

1nasa.gov

75^th place

83^rd place

1peterhall.de

low place

1qucosa.de

low place

1ruzhany.info

low place

1archive.org

6^th place

1books.google.com

3^rd place

1kit.edu

6,505^th place

9,776^th place

archive.org

"Development of guided missiles at Bleicherode and Institut 88". CIA. 22 January 1954 [1954-01-22]. Retrieved 2022-09-29.

astronautix.com

Wade, Mark (2019). "R-1 (part of V-2)". Encyclopedia Astronautica. Retrieved 2023-10-07.
Wade, Mark (2019). "G-2 (part of Gröttrup)". Encyclopedia Astronautica. Retrieved 2023-10-07.
Wade, Mark (2019). "G-4 (part of Gröttrup)". Encyclopedia Astronautica. Retrieved 2023-10-07.

books.google.com

Claus Reuter (2000-05-01). The V2 and the German, Russian and American Rocket Program. S.R. Research & Publishing. pp. 146–148. ISBN 978-1-894-64305-4.

cia.gov

"Organization and Personnel at Branch No. 1, Institute 88, Gorodomlya Island" (PDF). 1953-07-03. Retrieved 2023-10-07.
"Development of Guided Missiles at Bleicherode and Institute 88" (PDF). CIA. 1954-01-22. Retrieved 2023-10-07.

dpma.de

"Chipkarte Helmut Gröttrup "Identifizierungsschalter"" [Helmut Gröttrup "Identification Switch"] (PDF). German Patent and Trade Mark Office (in German). 2021. Retrieved 2023-03-31.
"Chipkarte. Helmut Gröttrup, München 1969" (PDF). DPMA (in German). 2021. Retrieved 2023-10-17.

espacenet.com

worldwide.espacenet.com

DE application 1574074, Gröttrup, Helmut, "Nachahmungssicherer Identifizierungsschalter", published 1971-11-25
DE application 1574075, Gröttrup, Helmut, "Identifizierungsschalter mit induktiver Zuordnung", published 1971-11-25
AT patent 287366, Dethloff, Jürgen & Gröttrup, Helmut, "Identifizierungsschalter", issued 1971-01-21, assigned to Intelectron Patentverwaltung
DE patent 1945777, Dethloff, Jürgen & Gröttrup, Helmut, "Identifizierungsschalter", published 1979-12-13, issued 1982-04-01, assigned to Jürgen Dethloff
US patent 3641316, Dethloff, Jürgen & Gröttrup, Helmut, "Identification System", issued 1972-02-08
US patent 3678250, Dethloff, Jürgen & Gröttrup, Helmut, "Identification Switch", issued 1972-07-18
"Espacenet - Original document".
"Espacenet - Bibliographic data".

kit.edu

itiv.kit.edu

Biener, Klaus (December 1997). "Karl Steinbuch – Informatiker der ersten Stunde Hommage zu seinem 80. Geburtstag" (PDF) (in German). Retrieved 2021-10-08. Steinbuch coined this expression together with Helmut Gröttrup, an employee from Peenemünde.

nasa.gov

history.msfc.nasa.gov

"Highlights in German Rocket Development from 1927–1945". MSFC History Office. NASA Marshall Space Flight Center. Archived from the original on 2012-03-20. Retrieved 2019-06-20.

peterhall.de

Hall, Peter (2011). "Institut Nordhausen" (in German). Retrieved 2022-09-29. In the subpage, Gröttrup is named as the head of Institut Nordhausen (1946)

qucosa.de

ul.qucosa.de

Schmidt, Nadin (2015). Die Deportation der wissenschaftlichen Intelligenz an den Universitäten der SBZ nach 1945 und deren Re-Integration an den Universitäten der Bundesrepublik Deutschland und der Deutschen Demokratischen Republik [The deportation of German intelligence at the universities of the Soviet Occupation Zone after 1945 ...] (in German). Leipzig University (published 2017-03-01). p. 59.

russianspaceweb.com

Zak, Anatoly, ed. (2012). "Description of the G-4 rocket".
Zak, Anatoly. "German contribution in the Soviet rocketry: Myth and Reality".

ruzhany.info

rvsn.ruzhany.info

Korolev, Alexander (2019). "Начало ракетных работ на Городомле" [Start of rocket work at Gorodomlya] (in Russian). Retrieved 2022-09-29.

web.archive.org

"Highlights in German Rocket Development from 1927–1945". MSFC History Office. NASA Marshall Space Flight Center. Archived from the original on 2012-03-20. Retrieved 2019-06-20.