Sengupta S Sankar Embadded invariants A contribution to forecasting Sengupta S Sankar; Yeo Gee Kin - Germany Vandenboeck & Ruprecht 1977 - 127p. Bibp 126-27 cm. - Applied statistics and econometries.6 . Source: General Book Subjects--Topical Terms: Production Control Dewey Class. No.: X:89Q1:(B), L7