TY - GEN AU - J H Crary C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1965-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.303 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1965 TI - Extension of programs for calculations of great circle paths and sunrise-sunset times.: ER -