For citations:
Iskyul G.S. Phosphatized discontinuity surfaces in the limestone of the Kunda Regional Stage (Middle Ordovician) in northwest Russia. Regional Geology and Metallogeny. 2019;(78):5–20. (In Russ.)
Iskyul G.S. Phosphatized discontinuity surfaces in the limestone of the Kunda Regional Stage (Middle Ordovician) in northwest Russia. Regional Geology and Metallogeny. 2019;(78):5–20. (In Russ.)