Ulrich, R. K <br/><br/>
Solar seismology from space 
R. K. Ulrich..[et.al]                                                
 - Washington  National Aeronautics and Space Administration  1984 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Seismology
<br/><br/><label>Universal Decimal Class. No.: </label>523.9:520.876  / ULR