@book{250803,
	author = {Long, J. Scott.},
	title = {Regression models for categorical and limited dependent variables /},
	publisher = {Sage Publications,},
	year = {c1997.},
	address = {Thousand Oaks :},
	url = {http://www.loc.gov/catdir/enhancements/fy0655/96035710-d.html}
}