Quantities, units and symbols 
The Symbols Committee of the Royal Society 
 - London  Royal Society  1971 
 - 47p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA thesaurus<br/>Physical quantities<br/>Units and symbols
<br/><br/><label>Universal Decimal Class. No.: </label>83.5  / ROY