Y Wang, J M Kratochvil, A Linde, and M Shmakova, Current Observational Constraints on Cosmic Doomsday. JCAP 0412 (2004) 006, astro-ph/0409264 5 Ocak 2016 tarihinde Wayback Machine sitesinde arşivlendi.
Y Wang, J M Kratochvil, A Linde, and M Shmakova, Current Observational Constraints on Cosmic Doomsday. JCAP 0412 (2004) 006, astro-ph/0409264 5 Ocak 2016 tarihinde Wayback Machine sitesinde arşivlendi.