1. Petrographic analysis of bituminous coal and anthracite. Glossary of terms relating to the petrographic analysis of bituminous coal and anthracite Part 1, (31st August 1981) 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) ↗
2. Petrographic analysis of bituminous coal and anthracite. Method of determining maceral group composition of bituminous coal and anthracite Part 3, (31st August 1981) 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) ↗