Modular Doepfer Super Modular A 100

http://en.wikipedia.org/wiki/Doepfer_A-100
http://en.wikipedia.org/wiki/Doepfer
http://www.doepfer.de/home.htm
http://www.vintagesynth.com/misc/a100.php
http://www.youtube.com/watch?v=BaqMRZ8YB3g
http://www.soundonsound.com/sos/dec03/articles/doepfermodules.htm
http://www.synthlearn.com/doepfer-modular.html
http://greatsynthesizers.com/en/interview/dieter-doepfer-creator-of-the-a-100-modular-system
http://www.sequencer.de/moogulatorium/synthesizer_doepfer.html