1. BS ISO 4968. Steel. Macrographic examination by sulfur print (Baumann method). (11th March 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Method for the macrographic examination of steel by sulphur print (Baumann method). (30th September 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Steel. Macrographic examination by sulfur print (Baumann method). (23rd May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗