Walford, Albert John <br/><br/>
Guide to reference material  / 
edited by A.J. Walford. 
 - 3rd ed. 
 - London :  Library Association ,  1973- 
 - v. ;  26 cm. 
<br/><br/> Contents v.1. Science & technology. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography
<br/><br/><label>Dewey Class. No.: </label>016 WAL