(P31)	(Q35127) (Q559856)
(P159)	(Q215)
(P407)	(Q1860)
(P571)	Monday, January 1, 2007 (P3452) (P813) Thursday, November 8, 2018
(P856)	http://videolectures.net/ (P407)
(P1581)	http://blog.videolectures.net/
(P1687)	(P4419)
(P8687)	2825 (P6552) 47725447 (P585) Sunday, January 3, 2021

External Links

(P646)	/m/0ggbn1w
(P2002)	videolectures
(P6366)	2778518927