Adventures in PASCAL - the academy approach. - A. C. Jost; Richard E. Bolz; G. Topping (SIGCSE, 1983)

Implementing JSD designs in Ada: a tutorial. - W. L. Yeung; G. Topping (ACM SIGSOFT Softw. Eng. Notes, 1990)

Theoretical basis for Jackson System Development. - W. L. Yeung; P. Smith; G. Topping; E. Bailey (Inf. Softw. Technol., 1992)