%0 Journal Article %A L. N. Sidorov %A P. A. Akishin %T A mass-spectrometric method of determining partial vapour pressures and relative ionization %J Doklady Akademii Nauk %D 1963 %P 136-139 %V 151 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_1_a37/ %G ru %F DAN_1963_151_1_a37