Energy microthesaurus:   A hierarchical list of indexing terms used by NTIS 
/ National Technical Information Service 
 - U. S.,   National Technical Information Service,   1976 
 - v, 91p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Microthesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>D 620.9:001.815   / L6