E-Books (114) Books (54) Articles (Online) (10215) OpenAccess-fulltext (29597) more... Bookchapter (Print) (9) Video (DVD/CD) (4) Thesis (Online) (8) Thesis (3) Articles (Print) (7) Bookchapter (Online) (522) Audio (DVD/CD) (1) Video (Online) (2) less...
english (24490) german (112) more... spanish (10504) italian (13) french (106) portuguese (216) swedish (5) polish (3) latin (4) danish (1) russian (2) less...