@book{24713,
	author = {Swingland, Ian R.},
	title = {The Ecology of animal movement /},
	publisher = {Clarendon Press,},
	year = {c1983.},
	address = {Oxford :},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/enhancements/fy0638/82017807-d.html}
}