(1990 version)
GIF (Graphic Interchange Format):
Beryllium (48 kB)
Boron (93 kB)
Carbon (129 kB)
Nitrogen (63 kB)
Isobar diagram (91 kB)
PDF (Portable Document Format):
Beryllium (30 kB)
Boron (52 kB)
Carbon (72 kB)
Nitrogen (40 kB)
Isobar diagram (57 kB)
EPS (Encapsulated Postscript):
Beryllium (1.39 MB)
Boron (1.80 MB)
Carbon (1.89 MB)
Nitrogen (1.66 MB)
Isobar diagram (1.75 MB)
Last modified: 21 August 1997