Interactive Quantitative Visualization. - Richard L. Peskin; Sandra S. Walther; Andy M. Froncioni; Toufic I. Boubez (IBM J. Res. Dev., 1991)

A prototyping environment for differential equations. - Toufic I. Boubez; Andy M. Froncioni; Richard L. Peskin (ACM Trans. Math. Softw., 1992)