Author: Soveshchanie-seminar zavedui͡ushchikh kafedrami i vedushchikh lektorov po obshcheĭ fizike vysshikh uchebnykh zavedeniĭ Belorusskoĭ, Litovskoĭ, Latviĭskoĭ, Ėstonskoĭ SSR i Kaliningradskoĭ oblasti RSFSR (7th 1980 Tallinn, Estonia?)