@book{9461,
	author = {Hersh, William R.},
	title = {Information retrieval :},
	publisher = {Springer,},
	year = {c2009.},
	series = {Health informatics},
	address = {New York, NY :},
	edition = {3rd ed.},
	note = {"The first two editions of this book were published in 1996 and 2003, respectively"--Pref.}
}