http://en.wikipedia.org/wiki/SES_Astra

http://www.ses.com/4232583/en

http://www.imdb.com/name/nm0350454/

http://www.ruthard.ca/art/downtown/timeclock.html

http://www.eldongarnet.com/public.asp

http://www.toronto.ca/culture/public_art/locations/time_and_a_clock.htm

http://plepuc.org/en/artwork/time-and-a-clock