Question: Acta Crystallographica and Journal of Synchrotron Radiation are defined as what?
Sentence (from "Acta Crystallographica"): The current six journals form part of the journal portfolio of the IUCr, which is completed by the "Journal of Applied Crystallography", the "Journal of Synchrotron Radiation", the open-access "IUCrJ" and the open-access data publication "IUCr Data".
Relevant evidence: No