ASHRAE handbook & product directory 1980 systems.
- Atlanta: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1980.
- iv, (various pagings) : ill. ; 29 cm.
Heating.--Equipment and supplies
Air conditioning--Equipment and supplies.
Refrigeration and refrigerating machinery.
Heating.--Equipment and supplies
Air conditioning--Equipment and supplies.
Refrigeration and refrigerating machinery.