title: [Seasonal reciprocity relation between mortality- and reproduction figures].
mesh_terms: D001683:Biological Clocks; D001723:Birth Rate; D003491:Cybernetics; D005859:Germany, East; D006801:Humans; D009026:Mortality; D012621:Seasons
vernacular_title: Uber reziproke Beziehungen zwischen Sterbe- und Zeugeziffern im Saisonverlauf.