Minitrack Introduction. - Jon Guice Hagström; Richard Alena (HICSS, 2002)

The Mobile Agents Integrated Field Test: Mars Desert Research Station, April 2003. - William J. Clancey; Maarten Sierhuis; Richard Alena; Sekou Crawford; John Dowding; Jeffrey Graham; Charis Kaskiris; Kim S. Tyree; Ron van Hoof (FLAIRS, 2004)

Are You Talking to Me? Dialogue Systems Supporting Mixed Teams of Humans and Robots. - John Dowding; Richard Alena; William J. Clancey; Maarten Sierhuis; Jeffrey Graham (AAAI Fall Symposium: Aurally Informed Performance, 2006)

Intelligent Wireless Sensor Networks for Spacecraft Health Monitoring. - Richard Alena; Fernando Figueroa; John Ossenfort (Infotech@Aerospace, 2012)