Observations during the Eclipse of February 1961  proceedings of sixth AGARD Ionospheric Research Committee meeting, Naples, 15-20 May 1961 
edited by Luciano de Socio 
 - Oxford  Pergamon Press  1964 
 - vi, 53p. 
 - AGARDograph; v.59 (suppl.) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ionospheric Observation<br/>Solar Eclipse
<br/><br/><label>Universal Decimal Class. No.: </label>523.947:520.86  / DES