World Book <br/><br/>
1991 Science Year:  The World Book Annual Science Supplement: a review of Science and Technology during the 1990 School Year/ 
World Book 
 -  Chicago: World Book, Inc.  1991 
<br/><br/> 2734  The 1991 Major Science Stories - articles 
<br/><br/><label>ISBN: </label>0-7166-0591-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>The 1991 Major Science Stories - articles
<br/><br/><label>Dewey Class. No.: </label>030/WOR/S