http://astronomy.science.ankara.edu.tr/old/astro/turkce_ast/ders/genel_ders/win_ders18.html
http://www.belgeler.com/blg/x6q/kk-ktleli-yildizlarda-termonkleer-reaksiyonlar-enerjiler-ve-kompozisyon-deiimi-thermonuclear-reaction-rates-energies-and-composition-changes-in-low-mass-stars