@book{52000,
	author = {Ezekiel, Mordecai and Fox, Karl August},
	title = {Methods of correlation and regression analysis, linear and curvilinear},
	publisher = {Wiley},
	year = {[1959]},
	address = {New York},
	edition = {3. ed.},
	note = {First published in 1930 under title: Methods of correlation analysis.}
}