NTIS: Concept of the clearinghouse 1945-1979:  A master's paper submitted to the faculty of the school of library science of the in partial fulfillment of the requirements for the degree of master of science in library science 
/National Technical Information Service  
 - U.S.A.:  National Technical Information Service  
 - 68p. 
<br/><br/><label>Universal Decimal Class. No.: </label>D 002.6:659.2   / L9