International standard industrial classification of all economic activities.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
United Nations
1958.
|
| Saila: | Its statistical papers ser.M
no.4. rev.1 |
| Gaiak: |