Classification
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LOH - Genetics - methods
3
LTU - Genetic engineering
4
LTV - Green genetic engineering
14
LVE - Food science - general
3
LVH - Food science - technologies
1
LVN - Food science - chemistry, analytics
1
LVP - Food science - radiosterilization
15
LWA - Agriculture - reference books
1
LWE - Agriculture - general aspects
15
LWF - Agriculture - methods
1
LWH - Agriculture - soil sciences
5
LWP - Agriculture - animal husbandry
13
LWV - Agriculture - plant protection
7
LWVC - Plant protection
2
LWW - Agriculture - transfer factors, radioagronomy
8
LWY - Fishery and aquaculture
1
TEJ - Electric devices, mechanical devices, magnets, dielectrics
1
THJ - Machining
2
TIG - Reliability, safety, quality control
1
UA - Environment - general
2
UCG - Control of environmental pollution
1
UPN - Water protection, water quality, clean water
1
UPP - Water pollution
1
UPT - Water pollution control and measurement
1
UPVN - Ocean water, coastal waters
1
USG - Waste treatment, waste disposal
1
UUD - Ecotoxicology
1
UVCH - Accumulation in biomaterial
1
UVW - Special effects of hazardous materials
1
UXAL - Radioisotopes in soil and groundwater
2
YAE - Law, economy, social affairs - general
3
YUS - Other statistical data
6