preliminary study of periodicities in percentage curves dated by pollen density

Wijmstra, T.A ; Hoekstra, S ; Vries, B.J. de ; Hammen, T. van der

Acta Botanica Neerlandica, 1984-01, Vol.33 (4), p.547-557 [Periódico revisado por pares]

Amsterdam: Royal Botanical Society of the Netherlands

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