• ISBN - International Standard Book Number
• ISMN - International Standard Music Number 
• ISSN  - International Standard Serials Number

The National and University Library acts as the national agency for ISBN, ISSN and ISMN. These are international numbering systems for monographs, serials and printed music and ensure precise and unique identification of publications to enable exchange of information internationally.

Contact us
If you have any questions about ISBN or ISMN, please, contact:

Alenka Kanič
T: +386 1 58 61 333
F: +386 1 58 61 311
E: alenka.kanic@NUK.uni-lj.si

or
Metka Kramberger
T: +386 1 58 61 330
F: +386 1 58 61 311
E: margerita.kramberger@nuk.uni-lj.si

For any questions regarding ISSN, please, contact:

Dunja Kalčič
T: +386 1 20 01 127
F: +386 1 20 01 135
E: dunja.kalcic@nuk.uni-lj.si