@book{Carroll_Ostlie_2006, address={Upper Saddle River}, edition={2nd edition}, title={Introduction to Modern Astrophysics}, publisher={Pearson Education (US)}, author={Carroll, Bradley W. and Ostlie, Dale A.}, year={2006} }
@book{Phillips_1999, address={Chichester}, edition={2nd Edition}, title={Physics of Stars}, publisher={John Wiley and Sons Ltd}, author={Phillips, A.C.}, year={1999} }