1. Report of the Committee on Safety and Health at Work. 1970-71 (Robens Report), Cmnd 5034, The Stationery Office, London (1972)
2. Redgrave Fife and Machin Health and Safety;Fife,1990
3. Health and Safety Executive, The Supply of Machinery (Safety) Regulations 1992, SI 1992 No. 3073, The Stationery Office, London
4. Health and Safety Executive, The Electromagnetic Compatibility Regulations 1992, SI 1992 No. 2372, The Stationery Office, London
5. Health and Safety Executive, The Gas Appliances (Safety) Regulations 1995, SI 1995 No. 1629, The Stationery Office, London