Einstein, Albert. 1971. “Correspondence between Albert Einstein and Max and Hedwig Born from 1916 to 1955 with commentaries by Max Born.” In The Born–Einstein Letters, edited by Max Born et al, 52. Basingstoke: Palgrave Macmillan.
Einstein, Albert. 1971. “Correspondence between Albert Einstein and Max and Hedwig Born from 1916 to 1955 with commentaries by Max Born.” In The Born–Einstein Letters, edited by Max Born et al, 52. Basingstoke: Palgrave Macmillan.