Volume of the journal in which the related article exists
It is best practice to limit the scope of this attribute to the current journal, i.e., the one in which the current article also resides.
| Value | Meaning |
|---|---|
| Data characters | Text, numbers, or special characters that provide the volume number, for example, “3” for the third volume, “125” for the one hundred and twenty-fifth, or “XV” for the fifteenth. |
| Restriction: This attribute may be specified if the element is used. | |