Munurin millum rættingarnar hjá "ISBN"

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ZéroBot (kjak | íkøst)
s r2.7.1) (bottur broytur: da:Internationalt Standardbognummer
Linja 57:
* [http://www.gs1.org/barcodes/support/check_digit_calculator EAN-eftirlitstal]
* [http://mmak.freeservers.com/isdn.html?x=552673809 ISBN-10-eftirlitstal]
 
[[Bólkur:Bøkur]]
 
[[af:ISBN]]