Columbia subject headings:
Chizhevskiĭ, A. L. (Aleksandr Leonidovich), 1897-1964.
Ionization--Health aspects.
T︠S︡iolkovskiĭ, K. (Konstantin), 1857-1935.
Harvard subject headings:
Chizhevskiĭ, A. L. (Aleksandr Leonidovich), 1897-1964
Ionization--Health aspects.
T︠S︡iolkovskiĭ, K. (Konstantin), 1857-1935.
Princeton subject headings:
Ionized air--Health aspects.
Ionized air--Physiological effect.
T︠S︡iolkovskiĭ, K. (Konstantin), 1857-1935.