@string{ x = {bar}}

Fucking Comment
@book{abramowitz+stegun,
	edition = {ninth Dover printing, tenth GPO printing},
	author = {Milton {Abramowitz} and Irene A. {Stegun}},
	title = {Handbook of Mathematical Functions with
              Formulas, Graphs, and Mathematical Tables},
	address = {New York} # x,
	year = 1964,
	year = 1965,
	publisher = {Dover}
}