Maranjian, Lorig Fee-based information services : a study of a growing industry / Lorig Maranjian and Richard W. Boss. - New York: Bowker, 1980. - ix, 199p. : ill. - Information management series; 1 . ISBN: 0835212874 Subjects--Topical Terms: Information services--United States. Dewey Class. No.: 025.5 / 23