"1981-06-07Z"^^ . . . . . . . . "1895Z"^^ . . "Burgers, Jan"@en . . "1895-01-13Z"^^ . "Dutch physicist" . . . "J. M. Burgers"@en . . . "Johannes (Jan) Martinus Burgers (January 13, 1895 \u2013 June 7, 1981) was a Dutch physicist and the brother of the physicist W. G. Burgers. Burgers studied in Leiden under Paul Ehrenfest, where he obtained his PhD in 1918."@en . "1981Z"^^ . . .