Amazon.com: JBL DisCon, Spawning Cone for Discus Fish
DISCON - MIKROE
Discon III, the 2021 Worldcon: a review | Sue Burke
DisCon III - The 79th Worldcon on Twitter: "Statement and Apology on DisCon III Sponsorship https://t.co/aP8kS46Phs #worldcon2021 #disconiii https://t.co/0Dcp90Wshm" / Twitter
DisCon III Apologizing For Taking Raytheon Sponsorship