1. BS 5395: Part 1: 1977 Stairs, ladders and walkways;British Standards Institution, (BSI),1977
2. The home accident surveillance system;DTI,1985
3. Development and performance of portable skid-resistance tester;Giles,1964
4. Watch your step, Prevention of slipping, tripping and falling accidents at work;HSE,1985
5. Slip resistance tests for flooring: two methods compared;James;Polym. Test.,1985