An Entity Relationship Programming Language. - Ashok Malhotra; Harry M. Markowitz; Yakov Tsalalikhin; Donald P. Pazel; Luanne M. Burns (IEEE Trans. Software Eng., 1989)

Supporting Universal Quantification in a Two-Dimensional Database Query Language. - Kyu-Young Whang; Ashok Malhotra; Gary H. Sockut; Luanne M. Burns (ICDE, 1990)

Two-Dimensional Specification of Universal Quantification in a Graphical Database Query Language. - Kyu-Young Whang; Ashok Malhotra; Gary H. Sockut; Luanne M. Burns; Key-Sun Choi (IEEE Trans. Software Eng., 1992)

GRAQULA: A Graphical Query Language for Entity-Relationship or Relational Databases. - Gary H. Sockut; Luanne M. Burns; Ashok Malhotra; Kyu-Young Whang (Data Knowl. Eng., 1993)

AERIAL: Ad-Hoc Entity-Relationship Investigation and Learning. - Luanne M. Burns; Ashok Malhotra; Gary H. Sockut; Kyu-Young Whang (Int. J. Man Mach. Stud., 1993)