Đèn điện tử chân không 5 cực (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Đèn điện tử chân không 5 cực" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

2web.archive.org

1^st place

1^st place

low place

low place

1codesandciphers.org.uk

low place

low place

low place

low place

1books.google.com

3^rd place

6^th place

low place

low place

books.google.com

B. Jack Copeland. "Colossus: The secrets of Bletchley Park's code-breaking computers".

codesandciphers.org.uk

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

nj7p.org

Sylvania. Engineering Data Service. 7AK7 Lưu trữ 2016-06-16 tại Wayback Machine. July 1953.

r-type.org

Tony Sale. "The Colossus Rebuild Project"

web.archive.org

Michael Saunby. "Small signal audio pentodes" Lưu trữ 2016-12-13 tại Wayback Machine.
Sylvania. Engineering Data Service. 7AK7 Lưu trữ 2016-06-16 tại Wayback Machine. July 1953.

wepoco.com

mike.wepoco.com

Michael Saunby. "Small signal audio pentodes" Lưu trữ 2016-12-13 tại Wayback Machine.