Classification
LTA - Biotechnology - reference books
AZZ - Firm index - general
5
LAA - Biology - reference books
3
AFG - Large scale research institutions (Helmholtz Centres)
1
AFK - Research institutions - Germany
1
LHH - Microbiology - methods
1
LMA - Biophysics - reference books
1
LRR - Tissue cultures, cell cultures
1
LTH - Biotechnology - methods
1