Classification
GWCD - Ore mining, ore processing
2
LKH - Biochemistry - methods
2
PKF - Elementary particles, nuclei - measuring methods and instruments
2
DYK - Image processing
1
EHA - Renewable energy sources
1
EYA - Energy problems of developing countries
1
HCR - Imaging techniques in medicine
1
LLH - Protein chemistry - methods
1
YPB - Economy - general aspects
1