@book{41014,
	author = {Coombs, Clyde Hamilton and Dawes, Robyn M.},
	title = {Mathematical psychology :},
	publisher = {Prentice-Hall, },
	year = {1970},
	series = {Prentice-Hall series in mathematical psychology},
	address = {Englewood Cliffs, NJ :},
	note = {920311}
}