TY - JOUR AU - David Didion AU - George Kelly C2 - ASHRAE Journal DA - 1979-09-01 LA - en M1 - 8921 PB - ASHRAE Journal PY - 1979 TI - New Testing and Rating Procedures for Seasonal Performance of Heat Pumps UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910789 ER -