http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Refrigeration and air conditioning technology, 3rd edition
Concepts, procedures, and Troubleshooting techniques
This edition offers an authoritative overview of all types of refrigeration and air conditioning systems! The new full- color edition covers virtually every type of system from gas, to oil, to electric, to large-scale commercial systems.
Air conditioning,Refrigeration and refrigerating machinery