Genre
Technical reports
44
Bibliographies
35
Conference papers and proceedings
23
Congresses
19
Surveys
16
Abstracts
7
Maps
6
Tables (Data)
3
Catalogs
2
Handbooks and manuals
2
Indexes
2
Periodicals
2
Bathymetric maps
1
Controlled vocabularies
1
Directories
1
Nomenclature
1
Statistics
1
Thematic maps
1
Thesauri (Dictionaries)
1
Title abbreviations
1
Training manuals
1