The MK process at 50 years-a powerful tool for astrophysical insight  a workshop of the Vatican Observatory held in Tuscon, AZ, USA, September 1993 
edited by C. J. Corbally, R. O. Gray and R. F. Garrison                                               
 - California  Astronomical Society of the Pacific  1994 
 - xxi, 411p. 
 - ASP conference series; v. 60 .
<br/><br/><label>ISBN: </label>0-937707-79-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MK Process<br/>MK Spectral classifications
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / ASP-60