Variable Classification Technique and Application to the Year 2000 Problem. - Keiko Kawabe; Akihiko Matsuo; Sanya Uehara; Akira Ogawa (CSMR, 1998)

Interactive Variable Classification Technique to Support the Maintenance of COBOL Business Application Systems. - Keiko Kawabe; Akihiko Matsuo; Sanya Uehara; Akira Ogawa (APSEC, 1999)