Abstracting services 

 - 2nd ed. 
 - The Hague :  International Federation for Documentation,  1969 
 - 2 v. ;  24 cm. 
 - FID publication ;  455 .
<br/><br/> First ed. published in 1965 under title: Abstracting services in science, technology, medicine, agriculture, social sciences, humanities. 
<br/><br/> Science, technology, medicine, agriculture -  Social sciences, humanities  v. 1.  v. 2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abstracting and indexing services--Directories