Incorporating Incremental Validation and Impact Analysis into Spreadsheet Maintenance: An Empirical Study. - Vijay B. Krishna; Curtis R. Cook; Daniel Keller; Joshua Cantrell; Christine Wallace; Margaret M. Burnett; Gregg Rothermel (ICSM, 2001)

Assertions in End-User Software Engineering: A Think-Aloud Study. - Christine Wallace; Curtis R. Cook; Jay Summet; Margaret M. Burnett (HCC, 2002)

End-User Software Engineering with Assertions in the Spreadsheet Paradigm. - Margaret M. Burnett; Curtis R. Cook; Omkar Pendse; Gregg Rothermel; Jay Summet; Christine Wallace (ICSE, 2003)