Publications at Bielefeld University (PUB) is the institutional repository of Bielefeld University and preserves the scholarly output of its members. Operated by Bielefeld University Library, PUB provides open access to Bielefeld's scholarly publications and research data in accordance with Bielefeld University's open access and research data resolutions. PUB also collects digital theses. With more than 50,000 publications, PUB is the most comprehensive bibliography on scholarly activities at Bielefeld University. Faculty and researchers self-archive full texts when possible. As a plus, PUB cross-references leading indexing services and disciplinary archives such as the Web of Science, CrossRef, PubMed, Europe PubMed Central, arXiv or INSPIRE HEP.