Genre
Conference papers and proceedings
32
Congresses
24
Maps
11
Technical reports
10
Atlases
4
Festschriften
3
Periodicals
3
Bathymetric maps
2
Encyclopedias
2
Geological cross-sections
2
Geological maps
2
Serial publications
2
Academic theses
1
CMU author
1
Dictionaries
1
Graphs
1
History
1
Physical maps
1
Problems and exercises
1
Reference works
1
Remote-sensing maps
1
Software
1
Textbooks
1