Books (15) E-Books (23) Articles (Online) (3931) OpenAccess-fulltext (6726) more... Articles (Print) (7) Bookchapter (Print) (4) Thesis (5) Video (DVD/CD) (1) Audio (Online) (45) Bookchapter (Online) (75) Video (Online) (1) less...
english (7940) german (13) more... latin (10) swedish (1449) italian (1) spanish (5) danish (15) portuguese (1) russian (5) french (5) norwegian (1) less...