Code of safety for benzene, toluene and xylene 

 - New Delhi  Indian standards institution   1968 
<br/><br/> 3rd reprint September 1991 
<br/><br/><label>Subjects--Index Terms: </label>IS:4644-1968 
<br/><br/><label>Dewey Class. No.: </label>547.532/.533:614.8