Issue No.03 - May/June (1987 vol.4)
S. Isoda , Electrical Communications Laboratories, NTT
Testing Ada programs is easier with this visual debugger that graphically depicts what the program as doing?and how it is being done.
S. Isoda, T. Shimomura, Y. Ono, "VIPS: A Visual Debugger", IEEE Software, vol.4, no. 3, pp. 8-19, May/June 1987, doi:10.1109/MS.1987.230394