@book{15136,
	author = {Croxton, Fredrick E. and Cowden, Dudley J. and Cowden, Dudley J. ; jt. auth.},
	title = {Practical business statistics},
	publisher = {Prentice-Hall},
	year = {1960},
	address = {Englewood Cliffs},
	edition = {3rd.},
	note = {"4th ed. 1969 has an additional author Ben W. Bolch"}
}