Koyck, L. M. (Leendert Marinus) Distributed lags and investment analysis / L.M. Koyck - Amsterdam : North-Holland Pub. Co., 1954. - 111 p. : ill. ; 22 cm. Subjects--Topical Terms: Statics and dynamics (Social sciences)Economics, Mathematical. Dewey Class. No.: 338.50724 / KOD1954