Hoyle, Harry B. <br/><br/>
The on-line information retrieval service at metropolitan Bradford libraries : its stablishment and operation, December 1979-September 1981 / Harry B. Hoyle. 

 - [s.l. :  s.n.],  1982. 
 - 1 v (pag. varia). 
 - British library research and development report, ISSN 0308-2385 ; no. 5657 .
<br/><br/> Monografía 
<br/><br/><label>Subjects--Index Terms: </label>Recuperación bibliografica en linea - Bradford (Gran Bretana) Recuperación de la información 
<br/><br/><label>LC Class. No.: </label>Z699.3  / H69