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The task of the GDZ is to record data such as prints, manuscripts and illustrations and to present them. Scientists, teachers and students will find a large amount of scholarly relevant texts in digitized form.
CLASS is a bibliographic database created in 1975 at the National Autonomous University of Mexico (UNAM). The database is updated daily and more than 10,000 records are added each year. It offers about 350 000 bibliographic records of articles, essays, book reviews, literature reviews, short notes, editorials, biographies, interviews, statistics and other documents published in about 1500 journals from Latin America and the Caribbean, specializing in social sciences and humanities.
Web access to a botanical database developed from The World List of Cycads, with a page for every known cycad.