The isotopic composition of carbon and oxygen of the calcite of veinlet-impregnated mineralization of rock complexes of the north-western part of the Krosno zone of the Ukrainian Carpathians - I. M. Naumko; O. M. Ponomarenko; H. O. Zankovych; V. S. Moroz; L. I. Proskurko (Reports of the National Academy of Sciences of Ukraine, 2015)