Theil, Henri. Principles of econometrics / Henri Theil. - New York : Wiley, c1971. - xxxi, 736 p. : ill. ; 24 cm. Bibliography: p. 687-715. Includes index. ISBN: 0471858455 Subjects--Topical Terms: Econometrics. Dewey Class. No.: 330.015195 / THP 1971