Classification
HRD - Dosimetry, radiation protection - medical aspects
79
UXL - Radiation protection - general aspects
73
HCI - Radiation biology, dosimetry
39
UA - Environment - general
34
UAU - Fire, fire protection, safety at the workplace, prevention of accidents
34
YEF - Law on hazardous materials
32
YFF - Industrial safety regulations
29
TIF - Industrial ( occupational ) safety
23
UXP - Radioactive materials - transport, safety
20
UVC - Environmental chemicals, hazardous materials - general aspects
19
YEA - Environmental law
19
TEA - Electrical engineering - general
17
HYG - Occupational medicine, sports medicine
16
TAT - Engineering Standards
16
UXA - Environmental radioactivity
16
TNO - Nuclear reactor safety
15
CAU - Laboratory and safety engineering in chemistry
14
UXE - Nuclear radiation effects, radiation hazards
14
YBB - Law - general
14
ACE - Germanic languages, Indo-Germanic languages
13
UXNH - Radiation protection - emergency situation
12
TBC - Electronic circuits
11
UXNB - Radiation protection relating to reactor safety, reactor accidents
11
HCN - Nuclear medicine
10
HYH - Traumatology, emergency medicine, disasters
10
TIG - Reliability, safety, quality control
10
UXH - Nuclear radiation measurement
10
YEE - Law on radiation protection
10
YKA - Criminal legislation
10
CAA - Chemistry - reference books
9
DTAE - MS - Access
9
TIE - Process engineering
8
TNOB - Nuclear reactor accidents
8
UXN - Radiation protection in nuclear facilities
8
YEM - Energy law
8
YFA - Labour legislation
8
CR - Nuclear chemistry, radiation chemistry
7
GRAD - Earth atmosphere, weather
7
HBA - Medical physics
7
TBTE - Laser devices
7
TNB - Nuclear power plants
7
UXK - Radiation protection - comprehensive works
7
PEJ - Laser physics, laser materials
6
TAA - Engineering sciences - reference books
6
TBA - Electronic engineering - general
6
THP - Pressure vessels, boilers, pipes
6
YDB - Police law, traffic law
6
YPB - Economy - general aspects
6
DKAE - Windows
5
DKAL - Linux - operating system
5
more ...