A System for Managing Image Data. - P. Economopoulos; Frederick H. Lochovsky (IFIP Congress, 1983)

A Multimedia Office Filing System. - Dennis Tsichritzis; Stavros Christodoulakis; P. Economopoulos; Christos Faloutsos; Alison Lee; D. Lee; J. Vandenbroeck; Carson C. Woo (VLDB, 1983)