@book{956,
	author = {Dougherty, Dale. and Robbins, Arnold.},
	title = {Sed & awk /},
	publisher = {O'Reilly,},
	year = {1997.},
	series = {A Nutshell handbook},
	address = {Beijing :},
	edition = {2nd ed.},
	note = {Includes index}
}