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Resource type
Article
5,306
Text
303
Video
285
Recording, oral
221
Presentation
208
Book
184
Journal
120
Technical Report
106
Conference paper or proceedings
93
Book chapter
80
Sound recording
62
Journal Issue
61
Poster
60
Report
49
Abstract
47
Newsletter
43
Photographic Image
34
Interview
29
Postprint
29
Image
18