Postscript Version
at157h.txt Moen (1984) [71] T=293 K, P=101.3 kPa, ER=1.0-1.3
at13d.txt Knystautas (1984) [46] T=293 K, P=101.3 kPa, ER=0.8 - 1.3
at157j.txt Bull (1982) [25] T=293 K, P=101.3 kPa, ER=1
at171b.txt Tieszen (1991) [97] T=373 K, P=101.3 kPa, ER=1