1. Bitumens for building and civil engineering. Specification for mixtures of bitumen with pitch, tar and Trinidad lake asphalt Part 3, (28th February 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Sampling and examination of bituminous mixtures for roads and other paved areas. Methods for analytical testing Part 2, (1st March 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗