@book{6749,
	author = {Gopalsamy, K.},
	title = {Stability and oscillations in delay differential equations of population dynamics /},
	publisher = {Kluwer Academic Publishers,},
	year = {c1992.},
	series = {Mathematics and its applications ;},
	address = {Dordrecht ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0823/91044217-d.html}
}