TY - GEN AU - Younglove, B A AU - Frederick, N V AU - McCarty, R D C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1993-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.MONO.178 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1993 TI - Speed of sound data and related models for mixtures of natural gas constituents: ER -