On the excitation of atoms of alkali metals /
Vainshtein, L.,author.
Opykhtin, V.,author.
Presnyakov, L.,author.
Great Britain.United Kingdom Atomic Energy Authority,issuing body.
Great Britain.Her Majesty's Stationery Office.
Fizicheskiĭ institut imeni P.N. Lebedeva.
"Oct. 1964".
"From P. N. Lebedev Institute of Physics report A-53, 1964".