- Operations research--Congresses (3)
- Refrigerants--Congresses (3)
- Chlorofluorocarbons--Congresses (2)
- Refrigeration and refrigerating machinery--Periodicals (2)
- 低温物理学.極低温 (2)
- Cold storage (1)
- Energy conservation--Congresses (1)
- Environmental protection--Congresses (1)
- Farm produce--Storage (1)
- Food--Cooling--Congresses (1)
- Heat pumps--Congresses (1)
- Liquid helium--Congresses (1)
- Refrigeration and refrigerating machinery--Abstracts (1)
- (43)