/download/public/2026/lectures/semester_1/Astroparticles%20and%20Cosmology/J%C3%A9r%C3%A9my/AC_Chap7_Thermal_history.pdf.html to https://box.in2p3.fr/s/qNKwGaMQHRE68M5/download?path=%2F2026%2Flectures%2Fsemester_1%2FAstroparticles and Cosmology%2FJérémy&files=AC_Chap7_Thermal_history.pdf