search query: @keyword mobile telephone system / total: 5
references: 4-5 / 5
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title | year | author | ||
4. | 1988 | Björk, Petri |
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5. | 1986 | Pietilä, Harri |
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INSSI
title | year | author | ||
4. | 1988 | Björk, Petri |
||
5. | 1986 | Pietilä, Harri |