1. Methods for determination of physical properties of tobacco and tobacco products. Ventilation of cigarettes Part 6, (15th June 1993) 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. Particulate air filters for general ventilation. Requirements, testing, marking. (15th October 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗