Genre
Periodicals
136
Congresses
61
Handbooks, manuals, etc
15
Electronic books
11
Bibliography
7
Textbooks
6
Dictionaries
5
Encyclopedias
3
Problems, exercises, etc
3
Case studies
2
Civil engineering
2
Laboratory manuals
2
Abstracts
1
Data processing
1
Databases
1
Ebooks
1
Forecasts
1
Formulae
1
Juvenile literature
1
Life skills guides
1
Miscellanea
1
Specifications
1
Study guides
1
Tables
1
Terminology
1