Yuen, P C; Roelofs, T H <br/><br/>
Atlas of total electron content plots, Vol.1 

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 - Elsevier Publishing Co., New York  1966 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic and Nuclear physics
<br/><br/><label>Dewey Class. No.: </label>R  539.7  YUE-A.1