Curta (Bulgarian Wikipedia)

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

refsWebsite

Global rank Bulgarian rank

1scientificamerican.com

896^th place

1,226^th place

2^nd place

7^th place

5,636^th place

8,613^th place

1,266^th place

1,981^st place

low place

low place

low place

low place

1web.archive.org

1^st place

1^st place

low place

low place

curta.li

Several specialized Curta tools pictured at curta.li

doi.org

dx.doi.org

Клифорд Стол. The Curious History of the First Pocket Calculator // Scientific American 290 (1). януари 2004. DOI:10.1038/scientificamerican0104-92. с. 92 – 9.

ices.dk

ICES Insight // International Council for the Exploration of the Sea, September 2011. с. 13. Архивиран от оригинала на 2016-03-03. Посетен на 25 август 2015.

newatlas.com

Curta calculator: The mechanical marvel born in a Nazi death camp // newatlas.com. Посетен на 18 октомври 2016.

scientificamerican.com

Клифорд Стол. The Curious History of the First Pocket Calculator // Scientific American 290 (1). януари 2004. DOI:10.1038/scientificamerican0104-92. с. 92 – 9.

umn.edu

purl.umn.edu

An Interview with Curt Herzstark conducted by Erwin Tomash, Charles Babbage Institute, University of Minnesota, Minneapolis. Herzstark interview в Германия

vcalc.net

Curt Herzstark and his Pocket Calculator, Peter Kradolfer, backup 6/88 pp. 5 – 9

web.archive.org

ICES Insight // International Council for the Exploration of the Sea, September 2011. с. 13. Архивиран от оригинала на 2016-03-03. Посетен на 25 август 2015.