| Descripción | Notas | |
|---|---|---|
| EN | NAL subject heading | US National Agricultural Library subject heading |
| FR | Classification thématique NAL | Classification thématique de la National Agricultural Library (Etats-Unis) |
| ES | sin traducir | — |
Lista 27 · Sistema de clasificación de materia
07 — NAL subject heading
<?xml version="1.0" encoding="UTF-8"?>
<Product xmlns="http://ns.editeur.org/onix/3.0/reference">
<DescriptiveDetail>
<Audience>
<AudienceCodeType>07</AudienceCodeType>
</Audience>
</DescriptiveDetail>
</Product>
- Introducido en la Issue 9