Valavanis, Stefan. Econometrics : an introduction to maximum likelihood methods / Stefan Valavanis, Alfred H. Conrad. - london : toronto, 1959. - 250 .p ; 24 cm. - Print began with vol. 1 (1978). Mode of access: World Wide Web. Continues print publication with the same title. Subjects--Topical Terms: economic.introduction. Index Terms--Genre/Form: Periodicals. Dewey Class. No.: 338.9 / S E