B. Allison, G. Nejat, and E. Kao, “THE DESIGN OF AN EXPRESSIVE HUMAN-LIKE  SOCIALLY ASSISTIVE ROBOT,” ASME Journal on Mechanisms and Robotics, Vol. 1, Iss. 1,  2009. (DOI)

G. Nejat, Y. Sun, and M. Nies, “ASSISTIVE ROBOTS IN HEALTH CARE SETTINGS,” Home Health Care Management and Practice, Vol. 21, pp 177-187, 2009. (DOI)
M. Ficocelli, G. Nejat, and G. Jhin, "An HRI Control Architecture for an Intelligent Assistive Robot," ASME Design Engineering Technical Conferences&Computers and Information in Engineering Conference, San Diego, CA, DET2009-87639, Aug. 2009. (DOI)

Zhang and G. Nejat, "Human Affective State Recognition and Classification During Human-Robot Interaction Scenarios," ASME Design Engineering Technical Conferences & Computers and Information in Engineering Conference, San Diego, DETC2009-87647, Aug. 2009. (DOI)

Z. Zhang and G. Nejat, “Intelligent Sensing Systems for Rescue Robots: Landmark Identification and Three-Dimensional Mapping of Unknown Cluttered Urban Search and Rescue Environments,” Disaster Robots Special Issue, Advanced Robotics Journal, Vol. 23, pp 1179-1198, 2009. (DOI)