Specification for safety signs and colours :  colourimetric and photometric properties of materials / 
Standards & Industrial Research Institute of Malaysia 
 - 11 pages :  illustrations ;  29 cm. 
 - Malaysian standard ;  MS 980 : 1985 .
 - Malaysian standard ;  MS 980 : 1985 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorimetry--Specifications<br/>Signs and signboards--Specifications<br/>Photometry--Specifications