1. Practice for use of a polymethylmethacrylate dosimetry system. (29th August 2019) 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. Stationary source emissions. Determination of the mass concentration of carbon monoxide, carbon dioxide and oxygen in flue gas. Performance characteristics of automated measuring systems. (4th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗