TY - RPRT TI - Liquefied natural gas densities : summary of research program at the National Bureau of Standards AU - Haynes, W M AU - McCarty, R D AU - Hiza, M J PY - 1983 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS MONO 172 DO - 10.6028/NBS.MONO.172 ER -