2003BS EN 12600:2003 Glass in building. Pendulum test. Impact test method and classification for flat glass
2003BS EN 12600:2002 Glass in building - Pendulum test - Impact test method and classification for flat glass - Pendulum test - Impact test method and classification for flat glass
1981BS 6206:1981 Specification for impact performance requirements for flat safety glass and safety plastics for use in buildings