Author:

Achab,A.;Bertrand,R.;Grootel,G.Van

Year:

1992

Title:

Chitinozoan contribution to the Ordovician and Lower Silurian paleobiogeography.

Reference:

Achab,A. et al. (1992) Chitinozoan contribution to the Ordovician and Lower Silurian paleobiogeography. Journal of Geology Vol. 100 # 5 P. 621- 629

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