@book{999,
	author = {MARTIN, Paul R., and BATESON, P. P. G.},
	title = {Measuring behaviour :},
	publisher = {Cambridge University Press,},
	year = {1993},
	address = {Cambridge ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/cam032/92028463.html}
}