Derivation, meaning, and use of geomagnetic indices 
edited by Pierre-Noel Mayaud 
 - Washington, D. C.  American Geophysical Union  1980 
 - vi+154p.  illus 
 - Geophysical Monograph, No. 22 .
<br/><br/><label>ISBN: </label>0-87590-022-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetic Indices
<br/><br/><label>Universal Decimal Class. No.: </label>550.386.6  / MAY