11. Windows, doors, shutters and blinds. Bullet resistance. Requirements and classification. (15th April 1999) 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) ↗
12. Windows, doors, shutters and blinds. Bullet resistance. Test method. (15th April 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗