VCISG Links

Collected links relating to the VCISG:

http://en.wikipedia.org/wiki/File:Graham_Holliman_Velocity-Coupled_Infra_Bass_speaker_design.jpg

http://www.diyaudio.com/forums/subwoofers/3238-graham-holliman-velocity-coupled-infra-bass-speaker.html

http://www.mediafire.com/?rhqzmvzep985rrr

http://community.discovery.com/eve/forums/a/tpc/f/9401967776/m/34619609701

http://theartofsound.net/forum/showthread.php?t=7197

http://www.avsforum.com/avs-vb/showthread.php?t=1319327