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High Pressure Grinding Mill

Gatherer Mill Andaine

2018-4-5mortality fertility and the oy ratio in a model hunter-gatherer system pubmed white andrew a 2014-06-01 an agent-based model abm is used to explore how the ratio of old to young adults the oy ratio in a sample of dead individuals is related to aspects of mortality fertility and longevity experienced by the living population from which the sample was.

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