The Astrophysical journal / 
 ApJ 

 - Bristol, UK :  Published for the American Astronomical Society by IOS Publishing, 
 - volumes  illustrations, portraits 
 - Three times a month,  <Jan. 1992-> 
 - Frequency varies,  1895- 
<br/><br/><label>ISSN: </label>0004-637X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics--Periodicals.<br/>Spectrum analysis--Periodicals.<br/>Astrophysique--Périodiques.<br/>Analyse spectrale--Périodiques.<br/>39.22 astrophysics.<br/>Astrophysics.<br/>Spectrum analysis.<br/>Astrofysica.<br/>Spectrum Analysis.
<br/><br/><label>Dewey Class. No.: </label>520  / THE