@inbook {219279,
	title = {Oscillation of Difference Equations},
	booktitle = {Oscillation Theory for Difference and Functional Differential Equations},
	year = {2000},
	note = {n/a},
	pages = {1-165},
	publisher = {Springer},
	organization = {Springer},
	abstract = {n/a},
	author = {Agarwal, Ravi P and Said R. Grace and O{\textquoteright}Regan, Donal}
}
