Petri Helenius
Added by Gumby74
Review by 5
| Title | Format | |
|---|---|---|
 | MikroBITTI 5/85 | Magazine |
 | MikroBITTI 8/85 | Magazine |
 | MikroBITTI 9/85 | Magazine |
 | MikroBITTI 12/85 | Magazine |
 | Pelit 1987 - Tietokonepelien vuosikirja | Paperback |
Staff Editor 21
| Title | Format | |
|---|---|---|
 | MikroBITTI 9/86 | Magazine |
 | MikroBITTI 10/86 | Magazine |
 | MikroBITTI 11/86 | Magazine |
 | MikroBITTI 12/86 | Magazine |
 | MikroBITTI 1/87 | Magazine |
 | MikroBITTI 2/87 | Magazine |
 | MikroBITTI 3/87 | Magazine |
 | MikroBITTI 4/87 | Magazine |
 | MikroBITTI 5/87 | Magazine |
 | MikroBITTI 6-7/87 | Magazine |
 | MikroBITTI 8/87 | Magazine |
 | MikroBITTI 9/87 | Magazine |
 | MikroBITTI 10/87 | Magazine |
 | MikroBITTI 11/87 | Magazine |
 | MikroBITTI 12/87 | Magazine |
 | MikroBITTI 1/88 | Magazine |
 | MikroBITTI 2/88 | Magazine |
 | MikroBITTI 3/88 | Magazine |
 | MikroBITTI 4/88 | Magazine |
 | MikroBITTI 5/88 | Magazine |
 | MikroBITTI 6-7/88 | Magazine |
Writer 6
| Title | Format | |
|---|---|---|
| MikroBITTI 5/85 | Magazine |
 | MikroBITTI 4/86 | Magazine |
 | MikroBITTI 8/86 | Magazine |
| MikroBITTI 9/86 | Magazine |
| MikroBITTI 10/86 | Magazine |
| MikroBITTI 11/86 | Magazine |