Postscript Version
at24.txt Guirao (1982) [42] T=293 K, P=101.3 kPa
mk30.txt Atkinson (1980) [6] T=293 K, P=101.3 kPa
at34b.txt Benedick (1986) [12] T=? K, P=83.99 kPa
at53.txt Makeev (1983) [64] T=293 K, P=101.3 kPa