Nonconventional technical information systems in current use no. 2  
/  National Science Foundation, March 1960 
 - Washington, D.C.:   Office of Science Information Service, National Science Foundation,   1960 
 - viii, 44p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage 
<br/><br/><label>Subjects--Index Terms: </label>Information systems Retrieval systems 
<br/><br/><label>Universal Decimal Class. No.: </label>D 002  / J9-1