Lafferty, Peter. <br/><br/>
Communications / 
Peter Lafferty. 
 - New York :  Marshall Cavendish,  1989. 
 - 47 p. :  col. ill. 
 - More science projects .
<br/><br/><label>ISBN: </label>1854351818 
<br/><br/><label>LC Class. No.: </label>TK5102.4  / .L34