Classification
UCA - Environmental problems, man and environment - general aspects
11
AHPC - Ethics
10
EXA - Energy policy
2
UED - Environmental policy
2
LAM - Biology - theoretical and philosophical fundamentals
1
LCD - Ecology - comprensive works
1
LCK - Ecology - general aspects
1
LTE - Biotechnology - general aspects
1
UA - Environment - general
1
UCN - Environmental education
1
UEF - Sustainability
1