Genre
Electronic books
1,218
Congresses
465
Conference papers and proceedings
293
Laboratory manuals
146
Congrès
126
Congress
108
Academic theses
83
Laboratory Manual
82
Handbooks, manuals, etc
81
Thèses et écrits académiques
78
Actes de congrès
75
Academic Dissertation
61
Periodicals
55
Handbooks and manuals
51
Manuels de laboratoire
50
Aufsatzsammlung
41
proceedings (reports)
33
Kongress
26
Tables
24
Laboratory Manuals
23
History
21
Internet Resources
21
Fulltext
18
Guides, manuels, etc
18
Handbook
17
Textbooks
16
Einführung
15
Kongreß
14
Problems, exercises, etc
14
Government publications
13
Guides et manuels
13
Indexes
13
Periodical
13
Databases
12
Early works to 1800
12
Périodiques
12
Problems and exercises
12
Aufgabensammlung
11
Bibliography
11
Electronic journals
11
Forms
11
Geological maps
11
Cartes géologiques
10
Classification
10
Identification
10
Popular works
10
geological maps
10
Index
9
Problèmes et exercices
9
Actes de congrès
8
more ...