http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Papers presented at the symposium on freeze protection for air handling equipment
at the ASHRAE semiannual meeting, Jan. 23-27, 1972, New Orleans, Louisiana
Freeze protection for air handling equipment
American Society of Heating, Refrigerating and Air-Conditioning Engineers
Symposium sponsored by T.C. 6.1 Hot Water and Steam Heating Equipment and Systems.