@book{54039,
	author = {Scheifler, Robert W. and Gettys, James},
	title = {X Window system: the complete reference to Xlib, X protocol, ICCCM, XLFD: X Version 11, Release 4},
	publisher = {Prentice-Hall},
	year = {1992},
	address = {Delhi},
	edition = {2nd ed.}
}