Extended Set Operators for Nested Relations and Complex Objects - Eser Sükan; Z. Meral Özsoyoglu (DEXA, 1995)

VISUAL: A Graphical Icon-Based Query Language. - Nevzat Hurkan Balkir; Eser Sükan; Gultekin Özsoyoglu; Z. Meral Özsoyoglu (ICDE, 1996)