http://www.ausoug.org/working/dennis/factory/acr.html Text discography. http://home.planet.nl/~frankbri/acrchron.html Text timeline history of the band. http://www.acrmcr.com/ The official A Certain Ratio site. Features a vintage streaming music video. http://www.manchesteronline.co.uk/bands/1980/acertain.html Profile of the band.