Секунда (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Секунда" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

641^st place

177^th place

2books.google.com

3^rd place

10^th place

2web.archive.org

1^st place

1^st place

4,530^th place

454^th place

1,422^nd place

2,572^nd place

6^th place

11^th place

1muslimheritage.com

low place

low place

1,077^th place

1,021^st place

archive.org

Willsberger, Johann. Clocks & watches. New York, Dial Press, 1975. ISBN 0-8037-4475-7. full page color photo: 4th caption page, 3rd photo thereafter (neither pages nor photos are numbered).

bipm.org

Official BIPM definition // BIPM. Посетен на 2008.
SI base units // Посетен на 2020-06-19.

books.google.com

femto.com.ua

Физическая энциклопедия. Москва, Большая Российская энциклопедия, 1994. ISBN 5-85270-087-8. Посетен на 2020-06-19. (на руски)

google.be

books.google.be

Jones, Tony. Splitting the second: the story of atomic time. Institute of Physics Pub, 2000. ISBN 0750306408.

muslimheritage.com

The astronomical clock of Taqi al-Din: Virtual reconstruction, архив на оригинала от 12 юли 2008, https://web.archive.org/web/20080712235043/http://muslimheritage.com/topics/default.cfm?ArticleID=947, посетен на 23 април 2011

usc.edu

illumin.usc.edu

See page 2 in J Chappell. The Long Case Clock: The Science and Engineering that Goes Into a Grandfather Clock // Illumin 1 (0). 2002. с. 1. Архивиран от оригинала на 2010-07-02. Посетен на 2011-04-23.

web.archive.org

The astronomical clock of Taqi al-Din: Virtual reconstruction, архив на оригинала от 12 юли 2008, https://web.archive.org/web/20080712235043/http://muslimheritage.com/topics/default.cfm?ArticleID=947, посетен на 23 април 2011
See page 2 in J Chappell. The Long Case Clock: The Science and Engineering that Goes Into a Grandfather Clock // Illumin 1 (0). 2002. с. 1. Архивиран от оригинала на 2010-07-02. Посетен на 2011-04-23.