Wells, Robert,  1913-  <br/><br/>
Early warning :  electronic guardians of our country, / 
by Robert Wells and C. R. Whiting. Illustrated by Jack Coggins. 
 - 120 pages :  illustrations ;  22 cm. 
<br/><br/><label>LCCN: </label>62009957  
<br/><br/><label>LC Class. No.: </label>UG633  / .W37 
<br/><br/><label>Dewey Class. No.: </label>537.5