Acta Crystallographica and Journal of Synchrotron Radiation are defined as what?
Acta Crystallographica Acta Crystallographica is a series of peer-reviewed scientific journals, with articles centred on crystallography, published by the International Union of Crystallography (IUCr). Originally established in 1948 as a single journal called "Acta Crystallographica", there are now six independent "Acta Crystallographica" titles: "", "", "", "", "" and "". "Acta Crystallographica" has been noted for the high quality of the papers that it produces, as well as the large impact that its papers have had on the field of crystallography. 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".
Acta Physica Polonica Acta Physica Polonica is an open access peer-reviewed scientific journal covering research in physics. It was established by the Polish Physical Society in 1920. In 1970 is split into two journals "Acta Physica Polonica A" and "Acta Physica Polonica B". The two journals became independent in 1995, with series A published by the Institute of Physics of the Polish Academy of Sciences and series B published by the Jagiellonian University in cooperation with the Polish Academy of Arts and Sciences.