Gorfrey L G Misspecification tests in econometrics The lagrange multiplier principal and other approches Gorfrey L G; Bigg Robert J - Cambridge University Press 1988 - xii,252p. cm. - Econometric Society Monographs, 16 . Bibliography:P232-45 ISBN: 0 521 26616 5 Source: General Book Dewey Class. No.: X:(B), M8/TD3