| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Study and Development of Multi-Nozzle Oxygen Lances for Use in Vacuum Conditions in the Vod Process: Final Report | 978-92-827-59O5-9 (92-827-59O5-9) | 1996 |
D. M. Worrall · Dan M. Worrall · Dr Mark Worrall · M W · Mark Worrall · Mary Worrall · Mike Worrall · Mr Clive Worrall