Author:

Wallin,A.;Hagenfeldt,S.E.

Year:

1996

Title:

Biostratigraphical investigation of Middle Ordovician acritarch the post-impact sequence in the Tvaren-2 core, Sweden.

Reference:

Wallin,A. et al. (1996) Biostratigraphical investigation of Middle Ordovician acritarch the post-impact sequence in the Tvaren-2 core, Sweden. GFF,Geologiska fжreningens i Stockholm fжrhandlingar Vol. 118 # 2 P. 79- 82

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