1977
2000-100 BCE
1975
1976
1974-1977
(1962); 1982
circa 1975
1974-1976
1990-96
1974
1978
1986 (replica); 1501-1600 (original)
1903 (original); 1982 (model)
1975-1978
4000-2001 BCE
circa 1976
1970 and post 1989
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