@misc{1190666, author = {Harold E Marshall and Rosalie T Ruegg}, title = {Energy conservation in buildings: an economics guidebook for investment decisions:}, year = {1980}, month = {1980-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.HB.132}, language = {en}, }