1. Measurement of radioactivity in the environment. Soil. Strontium 90. Test method using proportional counting or liquid scintillation counting Part 5, (17th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Measurement of radioactivity in the environment. Soil. Strontium 90. Test method using proportional counting or liquid scintillation counting Part 5, (3rd January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗