Mayaud, P N; Romana, A <br/><br/>
Supplementary geomagnetic data, 1957-1975 

 - 
 - IUGG Publications, Holland  1977 
 - 148 
 - .
<br/><br/>  
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>geomagnetism
<br/><br/><label>Dewey Class. No.: </label>538.7  MAY-S