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The CTIO Libraries are research libraries that support the work of CTIO and Gemini scientific staff and visitors by providing and facilitating access to information found in both electronic and paper materials.
The collection consists of books, journals, and observatory publications in astronomy, physics, mathematics, science, and technology. The libraries have complete runs of the major astronomical journals (some dating from the 19th
century), including ApJ, AJ, MNRAS, and A&A.
Most journals and observatory publications are located at the Cerro Tololo library. Books and the last two years of journals can be found in the La Serena library.
The library maintains journal subscriptions, circulate material, obtains articles, and provides reference assistance.