Natura
Libro
284.097
Articolo
218.447
Sách giấy
61.351
Tesi
17.310
Bài viết
11.225
Sách
6.040
Multimedia
3.241
CD
1.899
Luận văn
1.511
Journal article
1.505
Periodico
698
Conference paper
435
Đề tài khoa học
421
Video
415
Research report
359
Research article
256
Other
167
Giáo trình
130
Dissertation
101
Book part
54
Chương của sách
51
Report
44
Recording, acoustical
30
Conference object
29
Seminar
28
Atti del Convegno
27
Text
23
Lecture
22
Master thesis
21
Software
17
Doctoral thesis
16
Internal report
16
Periodico
11
Working paper
10
Conference poster
9
Contribution to journal
9
Data paper
9
Research proposal
7
Review article
7
Conference paper not in proceedings
6
Project deliverable
5
eBook
5
Bibliografia
4
Editorial
4
Technical report
3
Book review
2
Conference poster not in proceedings
2
Dataset
2
Journal Article
2
Policy report
2
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