Author:

Kalvacheva,R.K.;Chobanova,A.

Year:

1973

Title:

Statistical analysis on several species of the genus Veryhachium (Acritarcha), from the Ordovician in the Iskur Gorge, (Bulgaria).

Foreign title:

Biometricheskiye Issledovaniya Nekotorykh vidiv roda Veryhachium(Acritarcha)Iz Ordovika Iskyrskogo Ushchel'Ya(Bolgariya).

Reference:

Kalvacheva,R.K. et al. (1973) Statistical analysis on several species of the genus Veryhachium (Acritarcha), from the Ordovician in the Iskur Gorge, (Bulgaria). [ Biometricheskiye Issledovaniya Nekotorykh vidiv roda Veryhachium(Acritarcha)Iz Ordovika Iskyrskogo Ushchel'Ya(Bolgariya). ] Bulletin of the Geological Institute,Series Paleontology Vol. 22 P. 5- 20

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