Issue No.06 - June (1985 vol.5)
When Pritsker&Associates developed an extended verion of its SLAM, or Simulation Language for Alternate Modeling, to include graphics input and output, software portability suddenly became an issue.
"Application Briefs", IEEE Computer Graphics and Applications, vol.5, no. 6, pp. 15-17, June 1985, doi:10.1109/MCG.1985.276493