科研之友
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摘要
The period 1868-1880 saw a dramatic development in analytical and graphical descriptions of mortality, varying with time and age; this took place almost entirely in the German language. This report attempts a survey of these developments with brief notes on other graphical representations and on how they evolved into the Lexis diagram and the McKendrick-Von Foerster equation of the present time.
- 出版日期2011-9
