Permanent digital data storage: A materials approach. - Barry M. Lunt; Robert Davis; Douglas Hansen; Matthew R. Linford; Hao Wang; John Dredge (iPRES, 2013)

Linear and Nonlinear control of a Visual Servoing system with Pan-Tilt Structure. - Douglas Hansen; Rodrigo Trentini; Marcos A. Salvador; Arthur G. Bartsch (ICSC, 2022)