Modeling Transport Objects with Patterns. - Ted Foster; Liping Zhao 001 (J. Object Oriented Program., 1998)

Driver Duty: A Pattern for Public Transport Systems. - Liping Zhao 001; Ted Foster (J. Object Oriented Program., 1998)

Cascade. - Ted Foster; Liping Zhao 001 (J. Object Oriented Program., 1999)

Modeling Roles with Cascade. - Liping Zhao 001; Ted Foster (IEEE Softw., 1999)