Author:

Konstantinova,V.

Year:

1975

Title:

Petrographic composition of the insoluble organic matter of Paleozoic sediments in Northeastern Bulgaria

Foreign title:

Petrografski Sstav na Neraztvorimiya organichesko Go Ostatka Paleozoiskikh otlozhenii Severo-Vostoch Oi Bolgarii

Reference:

Konstantinova,V. (1975) Petrographic composition of the insoluble organic matter of Paleozoic sediments in Northeastern Bulgaria [ Petrografski Sstav na Neraztvorimiya organichesko Go Ostatka Paleozoiskikh otlozhenii Severo-Vostoch Oi Bolgarii ] Petroleum and Coal Geology,Bulgarian Academy of Sciences Vol. 2 P. 53- 58

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