Collect. Czech. Chem. Commun.
1964, 29, 953-959
https://doi.org/10.1135/cccc19640953
The mass spectrometric detection of highly excited long-lived states of noble gas atoms
V. Čermák and Z. Herman
Collect. Czech. Chem. Commun.
1964, 29, 953-959
https://doi.org/10.1135/cccc19640953