Hall, Angela Mary. <br/><br/>
The use and value of citations /  a state-of-the-art report 
Angela M. Hall. 
 - London :  Institution of Electrical Engineers,  1970. 
 - 32 p. ; 30 cm. 
<br/><br/> Report No. R70/4 
<br/><br/>p. 27-32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Bibliography--Theory, methods, etc<br/>Information storage and retrieval systems--Science