@article {50622,
	title = {Directional Virtual Fencing (DVF-trademark)},
	journal = {Grassroots, Newsletter of the Grassland Society of Southern Africa},
	volume = {4},
	number = {1},
	year = {2004},
	month = {February 1, 2004},
	pages = {10-13},
	abstract = {A novel method is described for controlling free-ranging cows using Global Positioning System (GPS) technology and electromechanical cues delivered through a device termed Directional Virtual Fencing (DVFTM).  The device is described as a tool to control animal movement, as well as a device to move groups of animals over the landscape in a manner humane to both instrumented and non-instrumented animals.},
	url = {/files/bibliography/03-052.pdf},
	author = {D.M. Anderson}
}
