
Scientific publication: 'The Boundary Conditions of the Universe'
1981-1982
1981-1982
1898-1899
1650-1665
1934-1940
1934-1940
1856-1857
1800-1818
1990
1966
1700-1800
circa 1900-circa 1948
1856-11
1974
1930s
1932
1949-05-18
1963
undated
1944-06-28
circa 1911
1944-06-28
1965
1944-06-28
1970
2018
2018
1972
1980s
2017
1984
unknown
1967
1967
1967
1967
1951
1958-06-05
1960-04-25
1965-11-28
1904-1908
1937-06-17
1953-02-12
1955-11-21
1952-03-13
1962-04-12
1934-03-13
1946-12-01
unknown