CAJ is the most comprehensive, full-text database of Chinese journals in the world, including more than 50 million full-text articles from about 10,000 academic journals in all disciplines. The MPG subscription comprises all subject editions (Series A-J) and covers access back to 1994.
IOPscience is a platform for scientific content published by IOP Publishing and selected publishing partners. Users from the Max Planck Society have access to nearly the entire journal collection. This includes, but is not limited to, the content provided by the Institute of Physics Publishing, Turpion Publications (English translations of leading Russian journals) and American Astronomical Society Publications. In addition, the Max Planck Society covers article-processing charges for selected Open Access and hybrid journals centrally. Further details are available on the MPDL website.