Wonnacott, Ronald J. Econometrics - 2 ed. - New York : Wiley, 1979 - 580 p. : ilus. ; gráfs. - Wiley series in probability and mathematical statistics . - Wiley series in probability and mathematical statistics . LCCN: 52560 Subjects--Topical Terms: Econometría. Dewey Class. No.: 330.18 / W6 1979