Author:

Krassilov,V.A.;Afonin,S.A.;Naugolnykh,S.V.

Year:

1999

Title:

Permotheca with in situ pollen grains from the Lower Permian of the Urals.

Reference:

Krassilov,V.A. et al. (1999) Permotheca with in situ pollen grains from the Lower Permian of the Urals. The Palaeobotanist Vol. 48 P. 19- 25

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