Zelenny, O. Robert <br/><br/>
Science Year   : the World Book Annual Science Supplement 

 - Chicago   : World Book,  1991 
 - 400p.   : ill.   ; 29cm. 
 - A review of Science and technology during the 1990 school year .
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-7166-0591-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science, <br/>Year books
<br/><br/><label>LC Class. No.: </label>REF Q181.AIS34 1991