@ARTICLE {4676,
author={O´Grady, R. O. and Christensen, A. and Dorigo, M. D. },
journal={IEEE Trans. on Robotics},
title={SWARMORPH: Multi-Robot Morphogenesis Using Directional Self-Assembly},
year={2009},
month={June},
volume={25},
number={3},
pages={738-743},
ISSN={1552-3098},
}