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- 1883-19641
- 1898-19732
- 1904-19901
- 1931-20161
- 537
- 67
- Běhounek, František2
- Cronin, James W.1
- Hess, Victor Franz1
- aeronautics2
- astrofyzika1
- astronomical observatories1
- astronomické observatoře1
- astrophysics1
- ballooning1
- balonové létání1
- cosmic radiation[remove]8
- cosmology1
- elementary particle physics2
- experimental physics1