Classification
YPB - Economy - general aspects
5
YPG - Business management
5
YDM - Commercial law, commercial legislation
4
AHA - Research and development, research politics - general
3
AHC - Research and development, research politics - Germany
3
YPO - Economic policy
3
CNO - Electrolytes
2
CNR - Electrodes
2
CNW - Electrochemical energy production and conversion
2
CNWK - Electric batteries
2
YPD - Business economics
2
YPM - National economy
2
YRB - Social sciences, sociology
2
CAE - Chemistry - general
1
EWA - Energy economy
1
MSU - Economic analysis
1
TIG - Reliability, safety, quality control
1
UED - Environmental policy
1
UEN - Environmental economy
1
YDX - Contract law
1
YMA - International law
1
YMG - Law of international and supranational organizations
1
YPGI - Risk management
1
YPGK - Marketing
1
YPW - Economy of industry branches
1
YRC - Technology and society
1
YUC - Comprehensive statistical data
1
YZA - Politics, political science
1