Campus Libraries Partner Libraries Special Collections
URSUS (online catalog) MaineCat (statewide catalog) Electronic Course Reserves Print Course Reserves OAIster (Union catalog of digital resources) WorldCat (international bibliography) LibWeb (other library catalogs) Google Scholar
Databases E-journals URSUS catalog MaineCat catalog Special collections
Hours My library account Borrow or Renew Request an item Interlibrary loan Find a course Ask a Librarian Tutorials FAQ

I&D Menu

Indexes and Databases

For more information about a record For more information about a record.
Resource is accessible by users at off-campus computers Resource is accessible by users at off-campus computers



SAO/NASA Astrophysics Data System (ADS)Digital library portal for researchers in astronomy and physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant. Covers publications in astronomy, astrophysics, and physics, plus arXiv e-prints.
Coverage: Varies by journal title; generally 1975 to present
Locations: UM
Format: Online
Remote Access: Available