Kingfisher science encyclopeadia. 

 - London:  Kingfisher, Grisewood & Dempsey Ltd.,   1991. 
 - 768p.; 28cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0-86272-697-2" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Science.
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>Q121  / .K56