Šablon:SIbrochure9th
International Bureau of Weights and Measures (2019-05-20), SI Brochure: The International System of Units (SI) (PDF) (9. izd.), ISBN 978-92-822-2272-0
 Dokumentacija šablona | [napravi] |
International Bureau of Weights and Measures (2019-05-20), SI Brochure: The International System of Units (SI) (PDF) (9. izd.), ISBN 978-92-822-2272-0
| Dokumentacija šablona | [napravi] |