Lexis_mortality_curve_1903_336.JPG (336 × 230 pixels, file size: 6 KB, MIME type: image/jpeg)
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current | 04:45, 3 September 2015 | 336 × 230 (6 KB) | NewYorkActuary | ((Information |Description =((en|1=Graph of Lexis mortality curve)) |Source =Theorie der Bevolkerungs und Moralstatistick (page 88) |Author =Wilhelm Lexis |Date =1903 |Permission =((pd-old))((pd-1923)) |other_versions = )) |
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