共 5 条
- [1] Card V.M.(1997)Varve-counting by the annual pattern of diatoms accumulated in the sediment of Big Watab Lake, Minnesota,AD 1837 -1990 Boreas. 26 103-112
- [2] Francus P.(2001)Sub-sampling unconsolidated sediments:a solution for the preparation of undisturbed thin-sections from clay-rich sediments J.Paleolim. 26 323-326
- [3] Asikainen C.A.(1990)A procedure for preparing large sets of diatom slides from sediment cores J.Paleolim. 4 97-90
- [4] Renberg I(1993)A lightweight extruder for accurate sectioning of soft-bottom lake sediment cores in the eld Lim-nol.Oceanogr 38 1796-1802
- [5] Verschuren D.(undefined)undefined undefined undefined undefined-undefined