On abundance of elements in SNe Ia explosions http://adsabs.harvard.edu/abs/2014ApJ…787..149D

On recombination of hydrogen in Type II atmospheres
http://adsabs.harvard.edu/abs/2010MNRAS.407..658D

and also see (on time dependent state equations in SN atmospheres)

http://adsabs.harvard.edu/abs/2010MNRAS.401.2081D