World science report 1998. 

 - Paris :    UNESCO ,    1998. 
 - 288p. 
<br/><br/>  Published every two years. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>921034464. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science.