Author:

Kalvacheva,R.K.

Year:

1969

Title:

Acritarchs from the Tseretsel Formation (Ordovician)

Foreign title:

Akritarckhi Ot Tseretselskata Zadruga (Ordovik)

Reference:

Kalvacheva,R.K. (1969) Acritarchs from the Tseretsel Formation (Ordovician) [ Akritarckhi Ot Tseretselskata Zadruga (Ordovik) ] Spisanie na Bulgarskogo Geologichesko Druzhestvo (Review of the Bulgarian Geological Society) Vol. 30 # 1 P. 88- 90

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