Electron User 6-7 (1989)(Electron User)[April]
Electron User 9-2 (1991)(Electron User)[April]
Electron User 7-10 (1990)(Electron User)[July]
Electron User 8-7 (1990)(Electron User)[September]
Electron User 8-9 (1990)(Electron User)[November]
Electron User 8-8 (1990)(Electron User)[b][October]