Books

• Books at AU and The State and University Library.
• Books at Geoscience. Search by using 'Advanced search' - limit to: 'Books' and library: 'Geoscience'. New books (1990-) is found in the library. Older books are in the archive. You can make a reservation for them in the library catalogue. 
• Bibliotek.dk - Books published in Denmark and holdings of Danish libraries.
• Google Books - Books from book shops and libraries: Books from danish libraries - bibliotek.dk and from foreign libraries - among others Howard University, Oxford University, University Library of Lausanne, and The Bavarian State Library.
• Google Scholar  - articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
• WorldCat - Search in library catalogues of the World.

E-books

• E-books on AU and The State and University Library. - in Danish
• SEG eBooks - Applied Geophysics. - Info
• eReolen - eBooks fra the public libraries. - in Danish
• Bookboon.com - free eBooks and textbooks