A Tool for Analyzing and Tuning Relational Database Applications: SQL Query Analyzer and Schema EnHancer (SQUASH). - Andreas M. Boehm; Matthias Wetzka; Albert Sickmann; Dietmar Seipel (Grundlagen von Datenbanken, 2006)

Squash: A Tool for Analyzing, Tuning and Refactoring Relational Database Applications. - Andreas M. Boehm; Dietmar Seipel; Albert Sickmann; Matthias Wetzka (INAP/WLP, 2007)