TY - GEN AU - Fang, Jin B C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1986-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.86-3367 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1986 TI - A computer program for calculatuing heat loss from underground heat distribution systems: ER -