TY - RPRT TI - Normal butane : provisional thermodynamic functions from 135 to 700 K at pressures to 700 BAR AU - Goodwin, Robert D PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1621 DO - 10.6028/NBS.IR.79-1621 ER -