Best Bets for Physics and Astronomy
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The ARIBIB is an online database for the astronomical bibliography in the reference format. The bibliographical information is given in following formats: Image format, Index format or Reference format. Abstracts are not included.
arXiv is a free distribution service and an open-access archive for 1,835,052 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv. The archive can be searched by clicking on the index link from the individual subject areas. The archive is owned and operated by Cornell University.