Indian standard glossary of terms for worm gear 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1969 
 - 12p. 
<br/><br/> IS 5267 : 1969 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Standards <br/> Worm Gear-Standards<br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.833.3  / ISI