@misc{1179231, author = {Harold E Marshall}, title = {Recommended practice for measuring net benefits and internal rates of return for investments in buildings and building systems:}, year = {1983}, month = {1983-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.82-2657}, language = {en}, }