Времеви кристал (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Времеви кристал" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

756^th place

181^st place

87^th place

47^th place

archive.is

Ron Cowen, Time Crystals Could Be a Legitimate Form of Perpetual Motion, Sci. Am., Feb. 27, 2012

archive.ph

Gibney, Elizabeth (2017), The quest to crystallize time, Nature. 543 (7644): 164 – 166.