@conference {12172,
	title = {Two miniature pan-tilt devices},
	booktitle = {Robotics and Automation, 1992. Proceedings., 1992 IEEE International Conference on},
	year = {1992},
	month = {1992///},
	pages = {658 - 663},
	author = {Bederson, Benjamin B. and Wallace,R.S. and Schwartz,E.L.}
}
