Hancock Ralph.(Editor). <br/><br/>
Illus.Ency.Of Sci.&Tech.How It Works./7.(Ear-Fib) 

 - 1st Ed. 
 -  Marshall Cavendish book Ltd.  1978 
 - 140p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>REF-617  / HAN