Fisk, P. R. Stochastically dependent equations : an introductory text for econometricians / by P. R. Fisk. - New York : Hafner Pub. Co., c1967. - viii, 181 p. : ill ; 22 cm. - Griffin's statistical monographs & courses, no.21. . Includes Bibliographical reference and index. Subjects--Topical Terms: Econometrics. Dewey Class. No.: 330.18 / FIS 1967