IBM 1402 (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "IBM 1402" in Spanish language version.

refsWebsite

Global rank Spanish rank

6^th place

5^th place

1web.archive.org

1^st place

1^st place

4,153^rd place

low place

1,131^st place

1,316^th place

archive.org

«IBM 1402 Card Read-Punch».

bitsavers.org

«IBM Customer Engineering Instruction -- Reference; 1402 Card Read-Punch». Archivado desde el original el 9 de agosto de 2010. Consultado el 14 de mayo de 2009.

ibm.com

www-03.ibm.com

IBM Archives: 1620 Data Processing System

web.archive.org

«IBM Customer Engineering Instruction -- Reference; 1402 Card Read-Punch». Archivado desde el original el 9 de agosto de 2010. Consultado el 14 de mayo de 2009.