| Title | Parts |
|---|---|
| [N] Autonom III. Electronics. Utrecht 1967. op10 | |
| Shur. Electronics. 1968 Instituut voor Sonologie Utrecht |
|
| [N] Panoptikum 70. Electronics. Utrecht 1970. op27 | |
| [N] Development II. Electronics. Utrecht 1970 op24 | |
| [N] Development III. Electronics. Utrecht 1971 op29 | |
| [N] Abstractions II. Electronics. Utrecht 1971. op30 | |
| Mitra. Electronics. 1982 |