Document Type
Article in Journal/Newspaper
459
Doctoral or Postdoctoral Thesis
233
Book Part
145
Other/Unknown Material
138
Book
111
Text
103
Conference Object
102
Thesis
76
Report
63
Map
48
Still Image
36
Review
20
Master Thesis
19
Audio
15
Moving Image (Video)
4
Lecture
3
Dataset
2
Manuscript
2
Journal/Newspaper
1