1. DESCRIPTION OF THE DATA FIELD:

Variable length, maximum 13 characters

Essential

2. DEFINITION OF THE DATA ELEMENT:

Number that identifies a monograph internationally (International Standard Book Number).

3. NOTES:

a) Enter the ISBN in its complete form including the dashes, but omitting the initials ISBN;
b) If the document has more than one ISBN enter the one that corresponds to the present
document.

4. EXAMPLE:

a)0-88936-326-9

b) 978-85-7541-621-1