CD-ROM
ISBN: 978-83-7508-604-1
ISBN-10: 83-7508-604-5
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CD-ROM
ISBN: 978-83-7508-604-1 ISBN-10: 83-7508-604-5 |
| See also (possibly by other authors): | ||
| 2015 | Paperback | Obserwator (Polish Edition) |
| 2015 | Paperback | Obserwator (Polish Edition) |
| 2012 | Paperback | Obserwator (Poska wersja jezykowa) |
| 2008 | Paperback | Obserwator (polish) |