@misc{1175896, author = {Jin B Fang}, title = {A computer program for calculatuing heat loss from underground heat distribution systems:}, year = {1986}, month = {1986-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.86-3367}, language = {en}, }