1. The development of a pneumatic robot for attaching a milking machine to a cow;Frost;Mechatronics,1993
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3. A review of livestock monitoring and the need for integrated systems;Frost;Comput. Electron. Agricult.,1997
4. Frost, A.R., Tillett, R.D., Welch, S.K., 1999. Robotic sensor placement for livestock monitoring. Presented at 1999 ASAE/CSAE-SCGR Annual International Meeting, Toronto, July 18–21, 1999, Paper No. 993072, ASAE, 2950 Niles Road, St. Joseph, MI 49085-9659 USA.
5. Snakes-active contour models;Kass;Int. J. Comput. Vision,1987