Obstacle detection by stereo vision, introducing the pq method. - Hans Jørgen Andersen; K. Kirk; T. L. Dideriksen; C. Madsen; Michael Boelstoft Holte (ICINCO, 2005)

Modeling of a piezoelectric micro-scanner - A. Chaehoi; M. Begbie; D. Cornez; K. Kirk (CoRR, 2008)