(1991 version)
GIF (Graphic Interchange Format):
Carbon (67 kB)
Nitrogen (114 kB)
Oxygen (106 kB)
Isobar diagram (100 kB)
PDF (Portable Document Format):
Carbon (43 kB)
Nitrogen (69 kB)
Oxygen (59 kB)
Isobar diagram (58 kB)
EPS (Encapsulated Postscript):
Carbon (1.82 MB)
Nitrogen (1.98 MB)
Oxygen (1.67 MB)
Isobar diagram (1.83 MB)
Last modified: 21 August 1997