Indian standard preferred numbers 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1968 
 - 29p. 
<br/><br/> IS 1076 : 1967 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Preferred Numbers-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:389.171  / ISI