Specification for impact performance requirements for flat safety glass and safety plastics for use in building / 
British Standards Institution. 
 - 8 pages :  illustrations ;  33cm. 
 - British standard ;  BS 6206 : 1981 .
 - British standard ;  BS 6206 : 1981 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safety glass--Standards.<br/>Buildings, Plastic--Great Britain.