Classification
AED - Official corporations - international and supranational
68
EPK - Nuclear energy
5
TNO - Nuclear reactor safety
5
PGKA - Physics of thermonuclear fusion
4
YZA - Politics, political science
4
ABA - General international and supranational biographic catalogues
3
AFW - Subject oriented organizations
2
ACZ - Lists of abbreviations
1
AFA - Research institutions, scientific organizations - international and supranational
1
AHE - Research and development, research politics - foreign countries
1
HRD - Dosimetry, radiation protection - medical aspects
1
LWV - Agriculture - plant protection
1
UXL - Radiation protection - general aspects
1