IBM Systems Journal, 7(3 and 4) 1968

IBM Systems Journal  

Comba, P.G., (1968) Comba, P.G., "A Language for Three-Dimensional Geometry" Gagliano, F.; Thombs, H. W.; Cornish, R. E : (1968) Gagliano, F.; Thombs, H. W.; Cornish, R. E : "Interactive graphics in data processing: a conversational-display capability"