Parsons, Leonard J. Marketing models and econometric research / Leonard J. Parsons, Randall L. Schultz. - New York : North-Holland Pub Co., c1976. - xiii, 300 p. : ill. ; 24 cm. Includes Bibliography: p. 273-293 and index. ISBN: 0720486017 Subjects--Topical Terms: Marketing--Mathematical models.Marketing research--Mathematical models. Dewey Class. No.: 658.80072 / PAM