@misc{1166836, author = {J C Davis and W M Ellis and P R Achenbach}, title = {Capacity tests of General Electric heat pump model 21 WT33G1:}, year = {1959}, month = {1959-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.6403}, language = {en}, }