Classification
LCQ - Marine research
52
GVA - Oceanography
10
LCO - Hydrobiology
8
UPVN - Ocean water, coastal waters
6
LKD - Biochemistry - comprehensive works
4
CEO - Natural organic products
2
GXAB - Polar research - antarctic region
2
LCL - Biotopes, ecosystems
2
LCR - Ecology of microorganisms - land and water
2
LEO - Chemical compounds from plants
2
LGN - Zoology - anatomy, systematics, embryology
2
CR - Nuclear chemistry, radiation chemistry
1
CXUX - Natural products
1
GBH - Marine geology
1
GCAC - Regional geology - noneuropean countries
1
GKA - Geophysics - general
1
GPAC - Aquatic biology - geographical aspects
1
GRB - Climatology
1
LCK - Ecology - general aspects
1
LCMG - Animals - ecology
1
LEE - Botany - general aspects
1
LGR - Animal physiology
1
PKP - Radioactivity, electromagnetic transitions
1
UPN - Water protection, water quality, clean water
1
UUD - Ecotoxicology
1
UXAH - Radioisotopes in water
1