 | 16-04-2023 Eddie van de Acker: |
 | 16-04-2023 Aleksandr Vlasenko: |
| Add a (analytical) remark Apply for account | ||||
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| Auteur is V. Stepanov (1984). De publicatiegegevens heb ik niet. | |||||
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| Eddie, thanks for the information! I will search for publication data and then make changes. | |||||