Pèntode (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pèntode" in Catalan language version.

refsWebsite

Global rank Catalan rank

1,849^th place

2^nd place

low place

low place

1codesandciphers.org.uk

low place

low place

low place

low place

1web.archive.org

1^st place

1^st place

codesandciphers.org.uk

Tony Sale. "The Colossus: its purpose and operation".

google.cat

books.google.cat

Grayson Evans. Hollow-State Design 2nd Edition. Lulu.com, p. 45–. ISBN 978-1-300-96521-3.
B. Jack Copeland. "Colossus: The secrets of Bletchley Park's code-breaking computers".

docs.google.cat

«Patent US1945040» (en anglès). United States Office Patent. [Consulta: 4 març 2016].^{[Enllaç no actiu]}

r-type.org

web.archive.org

Michael Saunby. "Small signal audio pentodes" Arxivat 2016-12-13 a Wayback Machine.

wepoco.com

mike.wepoco.com

Michael Saunby. "Small signal audio pentodes" Arxivat 2016-12-13 a Wayback Machine.