World science report 1993. 

 - Paris :  UNESCO,  1993. 
 - 278 p. :  ill.(some col.);  30 cm 
<br/><br/> Includes index.  Includes bibliographical index. 
<br/><br/><label>ISBN: </label>923102938X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.<br/>Science--world.