@article{Leven2006upper,
author={Leven, E.J. and Gorgij, M.N.},
title={Upper Carboniferous--Permian stratigraphy and fusulinids from the Anarak region, central Iran},
journal={Russian Journal of Earth Sciences},
publisher={Geophysical Center of the Russian Academy of Sciences},
year={2006},
pages={1-25},
volume={8},
issue={2},
}