Author:

Olivella,J.B.

Year:

1972

Title:

A contribution to the palynological knowledge of Lower Cretaceous stratigraphy of the Middle Magdalena Valley, Colombia, South America.

Reference:

Olivella,J.B. (1972) A contribution to the palynological knowledge of Lower Cretaceous stratigraphy of the Middle Magdalena Valley, Colombia, South America. Jahrbuch der Geologischen Bundesanstalt Vol. 19 P. 53- 57

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