World Book Inc. <br/><br/>
Science Year  The World Book Annual Science Supplement  Eng. 
World Book Inc. 
 - Chicago  World Book Inc.  1986 
 - 400 p. :  25.5 cm. 
<br/><br/><label>ISBN: </label>0716605872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>505  / WOR-S 1986 3004