http://www.vintagesynth.com/roland/jup8.php
http://en.wikipedia.org/wiki/Roland_Jupiter-8
http://www.synthtopia.com/content/2011/08/19/jupiter-8-overview-controls-init-patch
http://www.synthmuseum.com/roland/roljup801.html
http://www.rolandus.com/blog/2013/02/21/roland-synth-chronicle-1973-through-2013/1981-jupiter-8
http://www.bonedo.de/artikel/einzelansicht/roland-jupiter-8.html
http://www.synthdiy.com/files/2008/RolandJupiter8-OwnersManual.pdf