Classification
YRG - Technology transfer
133
YPB - Economy - general aspects
15
AMA - Education - general
6
AHF - Research and science
5
GVA - Oceanography
4
YRC - Technology and society
4
AHC - Research and development, research politics - Germany
3
AHP - Philosophy
3
LTE - Biotechnology - general aspects
3
ACE - Germanic languages, Indo-Germanic languages
2
AHE - Research and development, research politics - foreign countries
2
UCQ - Environmental technology
2
UEN - Environmental economy
2
YAE - Law, economy, social affairs - general
2
YBB - Law - general
2
YNA - Patents, trademarks
2
YPD - Business economics
2
YPS - Economy of the developing countries
2
YZA - Politics, political science
2
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
1
AHA - Research and development, research politics - general
1
AHM - Theory of science
1
AHZ - History of science and technology
1
CMD - Photochemistry - special aspects
1
CNE - Electrochemistry
1
EIA - Solar energy - general
1
EUA - Energy conservation - general
1
FGT - Microtechnology
1
FKG - Magnetic materials
1
LTO - Biotechnology - application, industry
1
LTU - Genetic engineering
1
PAD - Physics - comprehensive works
1
TBW - Sensors, actuators
1
TEK - Electric experiments, reliability and technology
1
UCGE - Control of environmental pollution - analytical methods
1
UCJ - Environmental protection - general aspects
1
UCL - Environmental research
1
UEA - Environmental policy and economy - general aspects
1
YDX - Contract law
1
YPG - Business management
1
YPGK - Marketing
1
YPI - Corporate governance
1
ZCE - Bibliometrics
1