English Siberian natural resources Cited by user Citation bot on 10 Jul 2021 Siberian natural resources refers to resources found in Russian Siberia, in the North Asian Mainland.
Serbian Permsko-trijasko izumiranje Cited by user Dcirovic on 30 Jan 2019 [[Датотека:Extinction intensity.svg|right|thumb|250px|Intenzitet izumiranja živih vrsta u zadnjih 540 miliona godina.