@book{131261,
	author = {Pollock, Philip H., and Pollock, Philip H.,},
	title = {An SPSS companion to political analysis /},
	publisher = {CQ Press,},
	year = {c2005.},
	address = {Washington, D.C. :},
	edition = {2nd ed.},
	note = {Companion text to: Essentials of political analysis / Philip H. Pollock III.}
}