Uranium-Lead Radiogeochronology by Zircon of Granitoids of Kudashivka Massif (Middle-Dnieper Megablock of the Ukraimian Shield) - L. M. Stepaniuk; S. I. Kurylo; O. B. Bobrov; O. M. Ponomarenko; S. A. Serheiev (Mineralogical journal, 2013)