Targeta perforada (Catalan Wikipedia)

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

refsWebsite

Global rank Catalan rank

1,131^st place

971^st place

488^th place

534^th place

low place

low place

1web.archive.org

1^st place

1^st place

aiimne.org

LoTurco, Ed. The Engineering Aperture Card: Still Active, Still Vital (PDF). EDM Consultants, January, 2004 [Consulta: 10 octubre 2007]. Arxivat 2007-11-28 a Wayback Machine.

columbia.edu

Comrie, LJ «The application of the Hollerith Tabulating Machine to Brown's Tables of the Moon». Monthly Notices of the Royal Astronomical Society, 92, 1932, p. 694-707.

ibm.com

www-03.ibm.com

«IBM Archive: Endicott card manufacturing» (en anglès). Història de l'empresa. IBM. [Consulta: 21 agost 2013].
IBM Archive: 1928.
IBM Archive: Old/New-Cards.
IBM Archive: Port-A-Punch

web.archive.org

LoTurco, Ed. The Engineering Aperture Card: Still Active, Still Vital (PDF). EDM Consultants, January, 2004 [Consulta: 10 octubre 2007]. Arxivat 2007-11-28 a Wayback Machine.