Author:

Alpern,B.

Year:

1959

Title:

Contribution to the palynological and petrographic study of French Coals.

Foreign title:

Contribution a l'etude palynologique et Petro-Graphique des Charbons Francais.

Reference:

Alpern,B. (1959) Contribution to the palynological and petrographic study of French Coals. [ Contribution a l'etude palynologique et Petro-Graphique des Charbons Francais. ] Thesis.University of Paris 1957(December) P. 1- 314

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