For citations:

Zhuravlev A.V. Variations in carbon isotope composition in a reference section of the Upper Viséan-Lower Serpukhovian interval (Lower Carboniferous) of the Moscow Syneclise (Polotnyany Zavod quarry). LITHOSPHERE (Russia). 2026;26(2):420–433. (In Russ.) https://doi.org/10.24930/1681-9004-2026-26-2-420-433. EDN: LOGOSX