Jean, A. Glenn <br/><br/>
On the detection of sudden Ionosphere disturbances / 
by A. Glenn Jean and Dorothy K. Kropp 
 - Washington, D.C. :  Uniteds States Government Printing Office,  1972 
 - 22 p. ;  26 cm. 
 - ESSA technical report ERL 98-SDL 8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ionosphere<br/>Atmosphere, Upper
<br/><br/><label>Dewey Class. No.: </label>551.514