@misc{1181051, author = {Rosalie T Ruegg and Robert E Chapman}, title = {A regional economic assessment of selected window systems:}, year = {1981}, month = {1981-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.81-2248}, language = {en}, }