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| 241 | -- | 261 | Robert Brijder, Matteo Cavaliere, Agustin Riscos-Núñez, Grzegorz Rozenberg, Dragos Sburlan. Communication Membrane Systems with Active Symports |
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| 279 | -- | 298 | Zhe Dang, Oscar H. Ibarra, Cheng Li, Gaoyan Xie. On the Decidability of Model-Checking for P Systems |
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