Columbia subject headings:
Microbial enzymes--Congresses.
Microbial proteins--Congresses.
Thermophilic microorganisms--Congresses.
Harvard subject headings:
Microbial enzymes--Congresses.
Microbial proteins--Congresses.
Thermophilic microorganisms--Congresses.
Princeton subject headings:
Microbial enzymes--Congresses.
Microbial proteins--Congresses.
Thermophilic microorganisms--Congresses.