Campbell, D. J. <br/><br/>
Small technical libraries  a guide for librarians without technological training 
by D. J. Campbell 
 - Paris  Unesco  1973 
 - 40 p. ; 23 cm. 
<br/><br/>p.35-40 
<br/><br/><label>ISBN: </label>9231010883 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technical libraries