1. Methods of test for footwear and footwear materials. Uppers, textiles and threads. Strength of upper materials and lining materials at right angles to stitch perforations Part 3.1, (31st January 1991) 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) ↗