 |
 | Virtual reality | Volume 3: No. 16 | 19930421 |
| Virtual reality | Volume 5: No. 23 | 19950629 |
| Virtual reality | Volume 6: No. 12 | 19960208 |
| Virtual reality | Volume 6: No. 32 | 19960502 |
| Virtual reality | Volume 7: No. 13 | 19970225 |
| Virtual reality | Volume 7: No. 28 | 19970501 |
| Virtual reality | Volume 7: No. 54 | 19970814 |
| Virtual reality | Volume 9: No. 01 | 19990105 |
| Virtual reality | Volume 9: No. 12 | 19990413 |
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