Morgan, W. W <br/><br/>
Revised MK spectral atlas for stars earlier than sun 
W.W. Morgan, H. A. Abt, and J.W. Tapscott 
 - Chicago  Yerkes Observatory  1978 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Atlas - stars<br/>Stars - atlas
<br/><br/><label>Universal Decimal Class. No.: </label>084.4:524.3  / MOR