a) Field theory and string theory are included in Group 5106 Nuclear and plasma physics. b) Tropospheric and stratospheric physics are included in Group 3701 Atmospheric sciences. c) Planetary geology is included in Group 3705 Geology. d) Satellite and space vehicle design and testing is included in Group 4001 Aerospace
engineering. e) Photogrammetry and remote sensing are included in Group 4013 Geomatic engineering. f) Communications technologies using satellites are included in Group 4006 Communications
engineering.