Beynon, W.J.G. <br/><br/>
Solar eclipses and the ionosphere / 
Beynon, W.J.G. 
 - London:  Pergamon press,  1956. 
 - 330p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>90519908151 
<br/><br/><label>Dewey Class. No.: </label>523.78 SOL